74139920

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{11731}}^1$

素因数の和:11823

約数の個数: 40

約数和(自身を含む): 174572160

約数和(自身を除く): 100432240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 11731, 23462, 46924, 58655, 93848, 117310, 187696, 234620, 469240, 926749, 938480, 1853498, 3706996, 4633745, 7413992, 9267490, 14827984, 18534980, 37069960, 74139920]

約数ペア:

[(1, 74139920), (2, 37069960), (4, 18534980), (5, 14827984), (8, 9267490), (10, 7413992), (16, 4633745), (20, 3706996), (40, 1853498), (79, 938480), (80, 926749), (158, 469240), (316, 234620), (395, 187696), (632, 117310), (790, 93848), (1264, 58655), (1580, 46924), (3160, 23462), (6320, 11731)]