40799980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{12071}}^1$

素因数の和:12106

約数の個数: 36

約数和(自身を含む): 92785392

約数和(自身を除く): 51985412

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 12071, 24142, 48284, 60355, 120710, 156923, 241420, 313846, 627692, 784615, 1569230, 2039999, 3138460, 4079998, 8159996, 10199995, 20399990, 40799980]

約数ペア:

[(1, 40799980), (2, 20399990), (4, 10199995), (5, 8159996), (10, 4079998), (13, 3138460), (20, 2039999), (26, 1569230), (52, 784615), (65, 627692), (130, 313846), (169, 241420), (260, 156923), (338, 120710), (676, 60355), (845, 48284), (1690, 24142), (3380, 12071)]