85331480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^3\times {\mathrm{971}}^1$

素因数の和:1021

約数の個数: 64

約数和(自身を含む): 208202400

約数和(自身を除く): 122870920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 971, 1352, 1690, 1942, 2197, 3380, 3884, 4394, 4855, 6760, 7768, 8788, 9710, 10985, 12623, 17576, 19420, 21970, 25246, 38840, 43940, 50492, 63115, 87880, 100984, 126230, 164099, 252460, 328198, 504920, 656396, 820495, 1312792, 1640990, 2133287, 3281980, 4266574, 6563960, 8533148, 10666435, 17066296, 21332870, 42665740, 85331480]

約数ペア:

[(1, 85331480), (2, 42665740), (4, 21332870), (5, 17066296), (8, 10666435), (10, 8533148), (13, 6563960), (20, 4266574), (26, 3281980), (40, 2133287), (52, 1640990), (65, 1312792), (104, 820495), (130, 656396), (169, 504920), (260, 328198), (338, 252460), (520, 164099), (676, 126230), (845, 100984), (971, 87880), (1352, 63115), (1690, 50492), (1942, 43940), (2197, 38840), (3380, 25246), (3884, 21970), (4394, 19420), (4855, 17576), (6760, 12623), (7768, 10985), (8788, 9710)]