30277960

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{12409}}^1$

素因数の和:12481

約数の個数: 32

約数和(自身を含む): 69247800

約数和(自身を除く): 38969840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 12409, 24818, 49636, 62045, 99272, 124090, 248180, 496360, 756949, 1513898, 3027796, 3784745, 6055592, 7569490, 15138980, 30277960]

約数ペア:

[(1, 30277960), (2, 15138980), (4, 7569490), (5, 6055592), (8, 3784745), (10, 3027796), (20, 1513898), (40, 756949), (61, 496360), (122, 248180), (244, 124090), (305, 99272), (488, 62045), (610, 49636), (1220, 24818), (2440, 12409)]