2377040

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{691}}^1$

素因数の和:747

約数の個数: 40

約数和(自身を含む): 5663328

約数和(自身を除く): 3286288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 691, 860, 1382, 1720, 2764, 3440, 3455, 5528, 6910, 11056, 13820, 27640, 29713, 55280, 59426, 118852, 148565, 237704, 297130, 475408, 594260, 1188520, 2377040]

約数ペア:

[(1, 2377040), (2, 1188520), (4, 594260), (5, 475408), (8, 297130), (10, 237704), (16, 148565), (20, 118852), (40, 59426), (43, 55280), (80, 29713), (86, 27640), (172, 13820), (215, 11056), (344, 6910), (430, 5528), (688, 3455), (691, 3440), (860, 2764), (1382, 1720)]