164262400

素因数分解:

$2^9\times 5^2\times {\mathrm{41}}^1\times {\mathrm{313}}^1$

素因数の和:382

約数の個数: 120

約数和(自身を含む): 418231044

約数和(自身を除く): 253968644

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 50, 64, 80, 82, 100, 128, 160, 164, 200, 205, 256, 313, 320, 328, 400, 410, 512, 626, 640, 656, 800, 820, 1025, 1252, 1280, 1312, 1565, 1600, 1640, 2050, 2504, 2560, 2624, 3130, 3200, 3280, 4100, 5008, 5248, 6260, 6400, 6560, 7825, 8200, 10016, 10496, 12520, 12800, 12833, 13120, 15650, 16400, 20032, 20992, 25040, 25666, 26240, 31300, 32800, 40064, 50080, 51332, 52480, 62600, 64165, 65600, 80128, 100160, 102664, 104960, 125200, 128330, 131200, 160256, 200320, 205328, 250400, 256660, 262400, 320825, 400640, 410656, 500800, 513320, 524800, 641650, 801280, 821312, 1001600, 1026640, 1283300, 1642624, 2003200, 2053280, 2566600, 3285248, 4006400, 4106560, 5133200, 6570496, 8213120, 10266400, 16426240, 20532800, 32852480, 41065600, 82131200, 164262400]

約数ペア:

[(1, 164262400), (2, 82131200), (4, 41065600), (5, 32852480), (8, 20532800), (10, 16426240), (16, 10266400), (20, 8213120), (25, 6570496), (32, 5133200), (40, 4106560), (41, 4006400), (50, 3285248), (64, 2566600), (80, 2053280), (82, 2003200), (100, 1642624), (128, 1283300), (160, 1026640), (164, 1001600), (200, 821312), (205, 801280), (256, 641650), (313, 524800), (320, 513320), (328, 500800), (400, 410656), (410, 400640), (512, 320825), (626, 262400), (640, 256660), (656, 250400), (800, 205328), (820, 200320), (1025, 160256), (1252, 131200), (1280, 128330), (1312, 125200), (1565, 104960), (1600, 102664), (1640, 100160), (2050, 80128), (2504, 65600), (2560, 64165), (2624, 62600), (3130, 52480), (3200, 51332), (3280, 50080), (4100, 40064), (5008, 32800), (5248, 31300), (6260, 26240), (6400, 25666), (6560, 25040), (7825, 20992), (8200, 20032), (10016, 16400), (10496, 15650), (12520, 13120), (12800, 12833)]