8005377920

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{16057}}^1$

素因数の和:16136

約数の個数: 128

約数和(自身を含む): 20637741600

約数和(自身を除く): 12632363680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 41, 64, 76, 80, 82, 95, 128, 152, 160, 164, 190, 205, 304, 320, 328, 380, 410, 608, 640, 656, 760, 779, 820, 1216, 1312, 1520, 1558, 1640, 2432, 2624, 3040, 3116, 3280, 3895, 5248, 6080, 6232, 6560, 7790, 12160, 12464, 13120, 15580, 16057, 24928, 26240, 31160, 32114, 49856, 62320, 64228, 80285, 99712, 124640, 128456, 160570, 249280, 256912, 305083, 321140, 498560, 513824, 610166, 642280, 658337, 1027648, 1220332, 1284560, 1316674, 1525415, 2055296, 2440664, 2569120, 2633348, 3050830, 3291685, 4881328, 5138240, 5266696, 6101660, 6583370, 9762656, 10276480, 10533392, 12203320, 12508403, 13166740, 19525312, 21066784, 24406640, 25016806, 26333480, 39050624, 42133568, 48813280, 50033612, 52666960, 62542015, 84267136, 97626560, 100067224, 105333920, 125084030, 195253120, 200134448, 210667840, 250168060, 400268896, 421335680, 500336120, 800537792, 1000672240, 1601075584, 2001344480, 4002688960, 8005377920]

約数ペア:

[(1, 8005377920), (2, 4002688960), (4, 2001344480), (5, 1601075584), (8, 1000672240), (10, 800537792), (16, 500336120), (19, 421335680), (20, 400268896), (32, 250168060), (38, 210667840), (40, 200134448), (41, 195253120), (64, 125084030), (76, 105333920), (80, 100067224), (82, 97626560), (95, 84267136), (128, 62542015), (152, 52666960), (160, 50033612), (164, 48813280), (190, 42133568), (205, 39050624), (304, 26333480), (320, 25016806), (328, 24406640), (380, 21066784), (410, 19525312), (608, 13166740), (640, 12508403), (656, 12203320), (760, 10533392), (779, 10276480), (820, 9762656), (1216, 6583370), (1312, 6101660), (1520, 5266696), (1558, 5138240), (1640, 4881328), (2432, 3291685), (2624, 3050830), (3040, 2633348), (3116, 2569120), (3280, 2440664), (3895, 2055296), (5248, 1525415), (6080, 1316674), (6232, 1284560), (6560, 1220332), (7790, 1027648), (12160, 658337), (12464, 642280), (13120, 610166), (15580, 513824), (16057, 498560), (24928, 321140), (26240, 305083), (31160, 256912), (32114, 249280), (49856, 160570), (62320, 128456), (64228, 124640), (80285, 99712)]