42665740

素因数分解:

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

素因数の和:1019

約数の個数: 48

約数和(自身を含む): 97161120

約数和(自身を除く): 54495380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 971, 1690, 1942, 2197, 3380, 3884, 4394, 4855, 8788, 9710, 10985, 12623, 19420, 21970, 25246, 43940, 50492, 63115, 126230, 164099, 252460, 328198, 656396, 820495, 1640990, 2133287, 3281980, 4266574, 8533148, 10666435, 21332870, 42665740]

約数ペア:

[(1, 42665740), (2, 21332870), (4, 10666435), (5, 8533148), (10, 4266574), (13, 3281980), (20, 2133287), (26, 1640990), (52, 820495), (65, 656396), (130, 328198), (169, 252460), (260, 164099), (338, 126230), (676, 63115), (845, 50492), (971, 43940), (1690, 25246), (1942, 21970), (2197, 19420), (3380, 12623), (3884, 10985), (4394, 9710), (4855, 8788)]