57380920

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{457}}^1$

素因数の和:584

約数の個数: 64

約数和(自身を含む): 134212320

約数和(自身を除く): 76831400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 73, 86, 146, 172, 215, 292, 344, 365, 430, 457, 584, 730, 860, 914, 1460, 1720, 1828, 2285, 2920, 3139, 3656, 4570, 6278, 9140, 12556, 15695, 18280, 19651, 25112, 31390, 33361, 39302, 62780, 66722, 78604, 98255, 125560, 133444, 157208, 166805, 196510, 266888, 333610, 393020, 667220, 786040, 1334440, 1434523, 2869046, 5738092, 7172615, 11476184, 14345230, 28690460, 57380920]

約数ペア:

[(1, 57380920), (2, 28690460), (4, 14345230), (5, 11476184), (8, 7172615), (10, 5738092), (20, 2869046), (40, 1434523), (43, 1334440), (73, 786040), (86, 667220), (146, 393020), (172, 333610), (215, 266888), (292, 196510), (344, 166805), (365, 157208), (430, 133444), (457, 125560), (584, 98255), (730, 78604), (860, 66722), (914, 62780), (1460, 39302), (1720, 33361), (1828, 31390), (2285, 25112), (2920, 19651), (3139, 18280), (3656, 15695), (4570, 12556), (6278, 9140)]