1025576920

素因数分解:

$2^3\times 5^1\times {\mathrm{179}}^1\times {\mathrm{227}}^1\times {\mathrm{631}}^1$

素因数の和:1048

約数の個数: 64

約数和(自身を含む): 2334355200

約数和(自身を除く): 1308778280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 179, 227, 358, 454, 631, 716, 895, 908, 1135, 1262, 1432, 1790, 1816, 2270, 2524, 3155, 3580, 4540, 5048, 6310, 7160, 9080, 12620, 25240, 40633, 81266, 112949, 143237, 162532, 203165, 225898, 286474, 325064, 406330, 451796, 564745, 572948, 716185, 812660, 903592, 1129490, 1145896, 1432370, 1625320, 2258980, 2864740, 4517960, 5729480, 25639423, 51278846, 102557692, 128197115, 205115384, 256394230, 512788460, 1025576920]

約数ペア:

[(1, 1025576920), (2, 512788460), (4, 256394230), (5, 205115384), (8, 128197115), (10, 102557692), (20, 51278846), (40, 25639423), (179, 5729480), (227, 4517960), (358, 2864740), (454, 2258980), (631, 1625320), (716, 1432370), (895, 1145896), (908, 1129490), (1135, 903592), (1262, 812660), (1432, 716185), (1790, 572948), (1816, 564745), (2270, 451796), (2524, 406330), (3155, 325064), (3580, 286474), (4540, 225898), (5048, 203165), (6310, 162532), (7160, 143237), (9080, 112949), (12620, 81266), (25240, 40633)]