4139120

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1669}}^1$

素因数の和:1713

約数の個数: 40

約数和(自身を含む): 9939840

約数和(自身を除く): 5800720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 1669, 2480, 3338, 6676, 8345, 13352, 16690, 26704, 33380, 51739, 66760, 103478, 133520, 206956, 258695, 413912, 517390, 827824, 1034780, 2069560, 4139120]

約数ペア:

[(1, 4139120), (2, 2069560), (4, 1034780), (5, 827824), (8, 517390), (10, 413912), (16, 258695), (20, 206956), (31, 133520), (40, 103478), (62, 66760), (80, 51739), (124, 33380), (155, 26704), (248, 16690), (310, 13352), (496, 8345), (620, 6676), (1240, 3338), (1669, 2480)]