56041640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{3881}}^1$

素因数の和:3930

約数の個数: 48

約数和(自身を含む): 133113780

約数和(自身を除く): 77072140

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 361, 380, 722, 760, 1444, 1805, 2888, 3610, 3881, 7220, 7762, 14440, 15524, 19405, 31048, 38810, 73739, 77620, 147478, 155240, 294956, 368695, 589912, 737390, 1401041, 1474780, 2802082, 2949560, 5604164, 7005205, 11208328, 14010410, 28020820, 56041640]

約数ペア:

[(1, 56041640), (2, 28020820), (4, 14010410), (5, 11208328), (8, 7005205), (10, 5604164), (19, 2949560), (20, 2802082), (38, 1474780), (40, 1401041), (76, 737390), (95, 589912), (152, 368695), (190, 294956), (361, 155240), (380, 147478), (722, 77620), (760, 73739), (1444, 38810), (1805, 31048), (2888, 19405), (3610, 15524), (3881, 14440), (7220, 7762)]