3281980

素因数分解:

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

素因数の和:1006

約数の個数: 36

約数和(自身を含む): 7470792

約数和(自身を除く): 4188812

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 971, 1690, 1942, 3380, 3884, 4855, 9710, 12623, 19420, 25246, 50492, 63115, 126230, 164099, 252460, 328198, 656396, 820495, 1640990, 3281980]

約数ペア:

[(1, 3281980), (2, 1640990), (4, 820495), (5, 656396), (10, 328198), (13, 252460), (20, 164099), (26, 126230), (52, 63115), (65, 50492), (130, 25246), (169, 19420), (260, 12623), (338, 9710), (676, 4855), (845, 3884), (971, 3380), (1690, 1942)]