205086080

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10337}}^1$

素因数の和:10387

約数の個数: 64

約数和(自身を含む): 506148480

約数和(自身を除く): 301062400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 9920, 10337, 19840, 20674, 41348, 51685, 82696, 103370, 165392, 206740, 320447, 330784, 413480, 640894, 661568, 826960, 1281788, 1323136, 1602235, 1653920, 2563576, 3204470, 3307840, 5127152, 6408940, 6615680, 10254304, 12817880, 20508608, 25635760, 41017216, 51271520, 102543040, 205086080]

約数ペア:

[(1, 205086080), (2, 102543040), (4, 51271520), (5, 41017216), (8, 25635760), (10, 20508608), (16, 12817880), (20, 10254304), (31, 6615680), (32, 6408940), (40, 5127152), (62, 3307840), (64, 3204470), (80, 2563576), (124, 1653920), (128, 1602235), (155, 1323136), (160, 1281788), (248, 826960), (310, 661568), (320, 640894), (496, 413480), (620, 330784), (640, 320447), (992, 206740), (1240, 165392), (1984, 103370), (2480, 82696), (3968, 51685), (4960, 41348), (9920, 20674), (10337, 19840)]