1628759920

素因数分解:

$2^4\times 5^1\times {\mathrm{463}}^1\times {\mathrm{43973}}^1$

素因数の和:44449

約数の個数: 40

約数和(自身を含む): 3795132096

約数和(自身を除く): 2166372176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 463, 926, 1852, 2315, 3704, 4630, 7408, 9260, 18520, 37040, 43973, 87946, 175892, 219865, 351784, 439730, 703568, 879460, 1758920, 3517840, 20359499, 40718998, 81437996, 101797495, 162875992, 203594990, 325751984, 407189980, 814379960, 1628759920]

約数ペア:

[(1, 1628759920), (2, 814379960), (4, 407189980), (5, 325751984), (8, 203594990), (10, 162875992), (16, 101797495), (20, 81437996), (40, 40718998), (80, 20359499), (463, 3517840), (926, 1758920), (1852, 879460), (2315, 703568), (3704, 439730), (4630, 351784), (7408, 219865), (9260, 175892), (18520, 87946), (37040, 43973)]