16556480

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1669}}^1$

素因数の和:1717

約数の個数: 56

約数和(自身を含む): 40721280

約数和(自身を除く): 24164800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1669, 1984, 2480, 3338, 4960, 6676, 8345, 9920, 13352, 16690, 26704, 33380, 51739, 53408, 66760, 103478, 106816, 133520, 206956, 258695, 267040, 413912, 517390, 534080, 827824, 1034780, 1655648, 2069560, 3311296, 4139120, 8278240, 16556480]

約数ペア:

[(1, 16556480), (2, 8278240), (4, 4139120), (5, 3311296), (8, 2069560), (10, 1655648), (16, 1034780), (20, 827824), (31, 534080), (32, 517390), (40, 413912), (62, 267040), (64, 258695), (80, 206956), (124, 133520), (155, 106816), (160, 103478), (248, 66760), (310, 53408), (320, 51739), (496, 33380), (620, 26704), (992, 16690), (1240, 13352), (1669, 9920), (1984, 8345), (2480, 6676), (3338, 4960)]