8189740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2423}}^1$

素因数の和:2458

約数の個数: 36

約数和(自身を含む): 18630864

約数和(自身を除く): 10441124

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 2423, 3380, 4846, 9692, 12115, 24230, 31499, 48460, 62998, 125996, 157495, 314990, 409487, 629980, 818974, 1637948, 2047435, 4094870, 8189740]

約数ペア:

[(1, 8189740), (2, 4094870), (4, 2047435), (5, 1637948), (10, 818974), (13, 629980), (20, 409487), (26, 314990), (52, 157495), (65, 125996), (130, 62998), (169, 48460), (260, 31499), (338, 24230), (676, 12115), (845, 9692), (1690, 4846), (2423, 3380)]