5131963240

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1\times {\mathrm{8161}}^1$

素因数の和:8450

約数の個数: 64

約数和(自身を含む): 11753280000

約数和(自身を除く): 6621316760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 199, 316, 395, 398, 632, 790, 796, 995, 1580, 1592, 1990, 3160, 3980, 7960, 8161, 15721, 16322, 31442, 32644, 40805, 62884, 65288, 78605, 81610, 125768, 157210, 163220, 314420, 326440, 628840, 644719, 1289438, 1624039, 2578876, 3223595, 3248078, 5157752, 6447190, 6496156, 8120195, 12894380, 12992312, 16240390, 25788760, 32480780, 64961560, 128299081, 256598162, 513196324, 641495405, 1026392648, 1282990810, 2565981620, 5131963240]

約数ペア:

[(1, 5131963240), (2, 2565981620), (4, 1282990810), (5, 1026392648), (8, 641495405), (10, 513196324), (20, 256598162), (40, 128299081), (79, 64961560), (158, 32480780), (199, 25788760), (316, 16240390), (395, 12992312), (398, 12894380), (632, 8120195), (790, 6496156), (796, 6447190), (995, 5157752), (1580, 3248078), (1592, 3223595), (1990, 2578876), (3160, 1624039), (3980, 1289438), (7960, 644719), (8161, 628840), (15721, 326440), (16322, 314420), (31442, 163220), (32644, 157210), (40805, 125768), (62884, 81610), (65288, 78605)]