57221320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{6473}}^1$

素因数の和:6514

約数の個数: 64

約数和(自身を含む): 146830320

約数和(自身を除く): 89609000

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 2210, 4420, 6473, 8840, 12946, 25892, 32365, 51784, 64730, 84149, 110041, 129460, 168298, 220082, 258920, 336596, 420745, 440164, 550205, 673192, 841490, 880328, 1100410, 1430533, 1682980, 2200820, 2861066, 3365960, 4401640, 5722132, 7152665, 11444264, 14305330, 28610660, 57221320]

約数ペア:

[(1, 57221320), (2, 28610660), (4, 14305330), (5, 11444264), (8, 7152665), (10, 5722132), (13, 4401640), (17, 3365960), (20, 2861066), (26, 2200820), (34, 1682980), (40, 1430533), (52, 1100410), (65, 880328), (68, 841490), (85, 673192), (104, 550205), (130, 440164), (136, 420745), (170, 336596), (221, 258920), (260, 220082), (340, 168298), (442, 129460), (520, 110041), (680, 84149), (884, 64730), (1105, 51784), (1768, 32365), (2210, 25892), (4420, 12946), (6473, 8840)]