7718120

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1229}}^1$

素因数の和:1397

約数の個数: 32

約数和(自身を含む): 17490600

約数和(自身を除く): 9772480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1229, 1256, 1570, 2458, 3140, 4916, 6145, 6280, 9832, 12290, 24580, 49160, 192953, 385906, 771812, 964765, 1543624, 1929530, 3859060, 7718120]

約数ペア:

[(1, 7718120), (2, 3859060), (4, 1929530), (5, 1543624), (8, 964765), (10, 771812), (20, 385906), (40, 192953), (157, 49160), (314, 24580), (628, 12290), (785, 9832), (1229, 6280), (1256, 6145), (1570, 4916), (2458, 3140)]