66463160

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{27239}}^1$

素因数の和:27311

約数の個数: 32

約数和(自身を含む): 151999200

約数和(自身を除く): 85536040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 27239, 54478, 108956, 136195, 217912, 272390, 544780, 1089560, 1661579, 3323158, 6646316, 8307895, 13292632, 16615790, 33231580, 66463160]

約数ペア:

[(1, 66463160), (2, 33231580), (4, 16615790), (5, 13292632), (8, 8307895), (10, 6646316), (20, 3323158), (40, 1661579), (61, 1089560), (122, 544780), (244, 272390), (305, 217912), (488, 136195), (610, 108956), (1220, 54478), (2440, 27239)]