79520360

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{241}}^1$

素因数の和:438

約数の個数: 64

約数和(自身を含む): 183736080

約数和(自身を除く): 104215720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 113, 146, 226, 241, 292, 365, 452, 482, 565, 584, 730, 904, 964, 1130, 1205, 1460, 1928, 2260, 2410, 2920, 4520, 4820, 8249, 9640, 16498, 17593, 27233, 32996, 35186, 41245, 54466, 65992, 70372, 82490, 87965, 108932, 136165, 140744, 164980, 175930, 217864, 272330, 329960, 351860, 544660, 703720, 1089320, 1988009, 3976018, 7952036, 9940045, 15904072, 19880090, 39760180, 79520360]

約数ペア:

[(1, 79520360), (2, 39760180), (4, 19880090), (5, 15904072), (8, 9940045), (10, 7952036), (20, 3976018), (40, 1988009), (73, 1089320), (113, 703720), (146, 544660), (226, 351860), (241, 329960), (292, 272330), (365, 217864), (452, 175930), (482, 164980), (565, 140744), (584, 136165), (730, 108932), (904, 87965), (964, 82490), (1130, 70372), (1205, 65992), (1460, 54466), (1928, 41245), (2260, 35186), (2410, 32996), (2920, 27233), (4520, 17593), (4820, 16498), (8249, 9640)]