79502540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{17987}}^1$

素因数の和:18026

約数の個数: 48

約数和(自身を含む): 190384992

約数和(自身を除く): 110882452

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 17987, 35974, 71948, 89935, 179870, 233831, 305779, 359740, 467662, 611558, 935324, 1169155, 1223116, 1528895, 2338310, 3057790, 3975127, 4676620, 6115580, 7950254, 15900508, 19875635, 39751270, 79502540]

約数ペア:

[(1, 79502540), (2, 39751270), (4, 19875635), (5, 15900508), (10, 7950254), (13, 6115580), (17, 4676620), (20, 3975127), (26, 3057790), (34, 2338310), (52, 1528895), (65, 1223116), (68, 1169155), (85, 935324), (130, 611558), (170, 467662), (221, 359740), (260, 305779), (340, 233831), (442, 179870), (884, 89935), (1105, 71948), (2210, 35974), (4420, 17987)]