67839980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{20071}}^1$

素因数の和:20106

約数の個数: 36

約数和(自身を含む): 154273392

約数和(自身を除く): 86433412

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 20071, 40142, 80284, 100355, 200710, 260923, 401420, 521846, 1043692, 1304615, 2609230, 3391999, 5218460, 6783998, 13567996, 16959995, 33919990, 67839980]

約数ペア:

[(1, 67839980), (2, 33919990), (4, 16959995), (5, 13567996), (10, 6783998), (13, 5218460), (20, 3391999), (26, 2609230), (52, 1304615), (65, 1043692), (130, 521846), (169, 401420), (260, 260923), (338, 200710), (676, 100355), (845, 80284), (1690, 40142), (3380, 20071)]