25793920

素因数分解:

$2^7\times 5^1\times {\mathrm{41}}^1\times {\mathrm{983}}^1$

素因数の和:1043

約数の個数: 64

約数和(自身を含む): 63231840

約数和(自身を除く): 37437920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 320, 328, 410, 640, 656, 820, 983, 1312, 1640, 1966, 2624, 3280, 3932, 4915, 5248, 6560, 7864, 9830, 13120, 15728, 19660, 26240, 31456, 39320, 40303, 62912, 78640, 80606, 125824, 157280, 161212, 201515, 314560, 322424, 403030, 629120, 644848, 806060, 1289696, 1612120, 2579392, 3224240, 5158784, 6448480, 12896960, 25793920]

約数ペア:

[(1, 25793920), (2, 12896960), (4, 6448480), (5, 5158784), (8, 3224240), (10, 2579392), (16, 1612120), (20, 1289696), (32, 806060), (40, 644848), (41, 629120), (64, 403030), (80, 322424), (82, 314560), (128, 201515), (160, 161212), (164, 157280), (205, 125824), (320, 80606), (328, 78640), (410, 62912), (640, 40303), (656, 39320), (820, 31456), (983, 26240), (1312, 19660), (1640, 15728), (1966, 13120), (2624, 9830), (3280, 7864), (3932, 6560), (4915, 5248)]