64484800

素因数分解:

$2^6\times 5^2\times {\mathrm{41}}^1\times {\mathrm{983}}^1$

素因数の和:1046

約数の個数: 84

約数和(自身を含む): 162708336

約数和(自身を除く): 98223536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 50, 64, 80, 82, 100, 160, 164, 200, 205, 320, 328, 400, 410, 656, 800, 820, 983, 1025, 1312, 1600, 1640, 1966, 2050, 2624, 3280, 3932, 4100, 4915, 6560, 7864, 8200, 9830, 13120, 15728, 16400, 19660, 24575, 31456, 32800, 39320, 40303, 49150, 62912, 65600, 78640, 80606, 98300, 157280, 161212, 196600, 201515, 314560, 322424, 393200, 403030, 644848, 786400, 806060, 1007575, 1289696, 1572800, 1612120, 2015150, 2579392, 3224240, 4030300, 6448480, 8060600, 12896960, 16121200, 32242400, 64484800]

約数ペア:

[(1, 64484800), (2, 32242400), (4, 16121200), (5, 12896960), (8, 8060600), (10, 6448480), (16, 4030300), (20, 3224240), (25, 2579392), (32, 2015150), (40, 1612120), (41, 1572800), (50, 1289696), (64, 1007575), (80, 806060), (82, 786400), (100, 644848), (160, 403030), (164, 393200), (200, 322424), (205, 314560), (320, 201515), (328, 196600), (400, 161212), (410, 157280), (656, 98300), (800, 80606), (820, 78640), (983, 65600), (1025, 62912), (1312, 49150), (1600, 40303), (1640, 39320), (1966, 32800), (2050, 31456), (2624, 24575), (3280, 19660), (3932, 16400), (4100, 15728), (4915, 13120), (6560, 9830), (7864, 8200)]