12076780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{521}}^1$

素因数の和:610

約数の個数: 48

約数和(自身を含む): 27185760

約数和(自身を除く): 15108980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 61, 76, 95, 122, 190, 244, 305, 380, 521, 610, 1042, 1159, 1220, 2084, 2318, 2605, 4636, 5210, 5795, 9899, 10420, 11590, 19798, 23180, 31781, 39596, 49495, 63562, 98990, 127124, 158905, 197980, 317810, 603839, 635620, 1207678, 2415356, 3019195, 6038390, 12076780]

約数ペア:

[(1, 12076780), (2, 6038390), (4, 3019195), (5, 2415356), (10, 1207678), (19, 635620), (20, 603839), (38, 317810), (61, 197980), (76, 158905), (95, 127124), (122, 98990), (190, 63562), (244, 49495), (305, 39596), (380, 31781), (521, 23180), (610, 19798), (1042, 11590), (1159, 10420), (1220, 9899), (2084, 5795), (2318, 5210), (2605, 4636)]