8278240

素因数分解:

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

素因数の和:1715

約数の個数: 48

約数和(自身を含む): 20200320

約数和(自身を除く): 11922080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 1669, 2480, 3338, 4960, 6676, 8345, 13352, 16690, 26704, 33380, 51739, 53408, 66760, 103478, 133520, 206956, 258695, 267040, 413912, 517390, 827824, 1034780, 1655648, 2069560, 4139120, 8278240]

約数ペア:

[(1, 8278240), (2, 4139120), (4, 2069560), (5, 1655648), (8, 1034780), (10, 827824), (16, 517390), (20, 413912), (31, 267040), (32, 258695), (40, 206956), (62, 133520), (80, 103478), (124, 66760), (155, 53408), (160, 51739), (248, 33380), (310, 26704), (496, 16690), (620, 13352), (992, 8345), (1240, 6676), (1669, 4960), (2480, 3338)]