74874020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{287977}}^1$

素因数の和:287999

約数の個数: 24

約数和(自身を含む): 169331064

約数和(自身を除く): 94457044

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 287977, 575954, 1151908, 1439885, 2879770, 3743701, 5759540, 7487402, 14974804, 18718505, 37437010, 74874020]

約数ペア:

[(1, 74874020), (2, 37437010), (4, 18718505), (5, 14974804), (10, 7487402), (13, 5759540), (20, 3743701), (26, 2879770), (52, 1439885), (65, 1151908), (130, 575954), (260, 287977)]