40646080

素因数分解:

$2^6\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1789}}^1$

素因数の和:1877

約数の個数: 56

約数和(自身を含む): 98206560

約数和(自身を除く): 57560480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 142, 160, 284, 320, 355, 568, 710, 1136, 1420, 1789, 2272, 2840, 3578, 4544, 5680, 7156, 8945, 11360, 14312, 17890, 22720, 28624, 35780, 57248, 71560, 114496, 127019, 143120, 254038, 286240, 508076, 572480, 635095, 1016152, 1270190, 2032304, 2540380, 4064608, 5080760, 8129216, 10161520, 20323040, 40646080]

約数ペア:

[(1, 40646080), (2, 20323040), (4, 10161520), (5, 8129216), (8, 5080760), (10, 4064608), (16, 2540380), (20, 2032304), (32, 1270190), (40, 1016152), (64, 635095), (71, 572480), (80, 508076), (142, 286240), (160, 254038), (284, 143120), (320, 127019), (355, 114496), (568, 71560), (710, 57248), (1136, 35780), (1420, 28624), (1789, 22720), (2272, 17890), (2840, 14312), (3578, 11360), (4544, 8945), (5680, 7156)]