89668540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{20287}}^1$

素因数の和:20326

約数の個数: 48

約数和(自身を含む): 214728192

約数和(自身を除く): 125059652

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, 20287, 40574, 81148, 101435, 202870, 263731, 344879, 405740, 527462, 689758, 1054924, 1318655, 1379516, 1724395, 2637310, 3448790, 4483427, 5274620, 6897580, 8966854, 17933708, 22417135, 44834270, 89668540]

約数ペア:

[(1, 89668540), (2, 44834270), (4, 22417135), (5, 17933708), (10, 8966854), (13, 6897580), (17, 5274620), (20, 4483427), (26, 3448790), (34, 2637310), (52, 1724395), (65, 1379516), (68, 1318655), (85, 1054924), (130, 689758), (170, 527462), (221, 405740), (260, 344879), (340, 263731), (442, 202870), (884, 101435), (1105, 81148), (2210, 40574), (4420, 20287)]