2627560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:218

約数の個数: 64

約数和(自身を含む): 6612480

約数和(自身を除く): 3984920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 163, 248, 260, 310, 326, 403, 520, 620, 652, 806, 815, 1240, 1304, 1612, 1630, 2015, 2119, 3224, 3260, 4030, 4238, 5053, 6520, 8060, 8476, 10106, 10595, 16120, 16952, 20212, 21190, 25265, 40424, 42380, 50530, 65689, 84760, 101060, 131378, 202120, 262756, 328445, 525512, 656890, 1313780, 2627560]

約数ペア:

[(1, 2627560), (2, 1313780), (4, 656890), (5, 525512), (8, 328445), (10, 262756), (13, 202120), (20, 131378), (26, 101060), (31, 84760), (40, 65689), (52, 50530), (62, 42380), (65, 40424), (104, 25265), (124, 21190), (130, 20212), (155, 16952), (163, 16120), (248, 10595), (260, 10106), (310, 8476), (326, 8060), (403, 6520), (520, 5053), (620, 4238), (652, 4030), (806, 3260), (815, 3224), (1240, 2119), (1304, 2015), (1612, 1630)]