64357280

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{30941}}^1$

素因数の和:30969

約数の個数: 48

約数和(自身を含む): 163745064

約数和(自身を除く): 99387784

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 30941, 61882, 123764, 154705, 247528, 309410, 402233, 495056, 618820, 804466, 990112, 1237640, 1608932, 2011165, 2475280, 3217864, 4022330, 4950560, 6435728, 8044660, 12871456, 16089320, 32178640, 64357280]

約数ペア:

[(1, 64357280), (2, 32178640), (4, 16089320), (5, 12871456), (8, 8044660), (10, 6435728), (13, 4950560), (16, 4022330), (20, 3217864), (26, 2475280), (32, 2011165), (40, 1608932), (52, 1237640), (65, 990112), (80, 804466), (104, 618820), (130, 495056), (160, 402233), (208, 309410), (260, 247528), (416, 154705), (520, 123764), (1040, 61882), (2080, 30941)]