66139120

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{26669}}^1$

素因数の和:26713

約数の個数: 40

約数和(自身を含む): 158739840

約数和(自身を除く): 92600720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 26669, 53338, 106676, 133345, 213352, 266690, 426704, 533380, 826739, 1066760, 1653478, 2133520, 3306956, 4133695, 6613912, 8267390, 13227824, 16534780, 33069560, 66139120]

約数ペア:

[(1, 66139120), (2, 33069560), (4, 16534780), (5, 13227824), (8, 8267390), (10, 6613912), (16, 4133695), (20, 3306956), (31, 2133520), (40, 1653478), (62, 1066760), (80, 826739), (124, 533380), (155, 426704), (248, 266690), (310, 213352), (496, 133345), (620, 106676), (1240, 53338), (2480, 26669)]