120557960

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{49409}}^1$

素因数の和:49481

約数の個数: 32

約数和(自身を含む): 275707800

約数和(自身を除く): 155149840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 49409, 98818, 197636, 247045, 395272, 494090, 988180, 1976360, 3013949, 6027898, 12055796, 15069745, 24111592, 30139490, 60278980, 120557960]

約数ペア:

[(1, 120557960), (2, 60278980), (4, 30139490), (5, 24111592), (8, 15069745), (10, 12055796), (20, 6027898), (40, 3013949), (61, 1976360), (122, 988180), (244, 494090), (305, 395272), (488, 247045), (610, 197636), (1220, 98818), (2440, 49409)]