39657760

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3491}}^1$

素因数の和:3577

約数の個数: 48

約数和(自身を含む): 95038272

約数和(自身を除く): 55380512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 1136, 1420, 2272, 2840, 3491, 5680, 6982, 11360, 13964, 17455, 27928, 34910, 55856, 69820, 111712, 139640, 247861, 279280, 495722, 558560, 991444, 1239305, 1982888, 2478610, 3965776, 4957220, 7931552, 9914440, 19828880, 39657760]

約数ペア:

[(1, 39657760), (2, 19828880), (4, 9914440), (5, 7931552), (8, 4957220), (10, 3965776), (16, 2478610), (20, 1982888), (32, 1239305), (40, 991444), (71, 558560), (80, 495722), (142, 279280), (160, 247861), (284, 139640), (355, 111712), (568, 69820), (710, 55856), (1136, 34910), (1420, 27928), (2272, 17455), (2840, 13964), (3491, 11360), (5680, 6982)]