28945160

素因数分解:

$2^3\times 5^1\times {\mathrm{769}}^1\times {\mathrm{941}}^1$

素因数の和:1721

約数の個数: 32

約数和(自身を含む): 65280600

約数和(自身を除く): 36335440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 769, 941, 1538, 1882, 3076, 3764, 3845, 4705, 6152, 7528, 7690, 9410, 15380, 18820, 30760, 37640, 723629, 1447258, 2894516, 3618145, 5789032, 7236290, 14472580, 28945160]

約数ペア:

[(1, 28945160), (2, 14472580), (4, 7236290), (5, 5789032), (8, 3618145), (10, 2894516), (20, 1447258), (40, 723629), (769, 37640), (941, 30760), (1538, 18820), (1882, 15380), (3076, 9410), (3764, 7690), (3845, 7528), (4705, 6152)]