2013162020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{24971}}^1$

素因数の和:25148

約数の個数: 48

約数和(自身を含む): 4405060800

約数和(自身を除く): 2391898780

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 139, 145, 278, 290, 556, 580, 695, 1390, 2780, 4031, 8062, 16124, 20155, 24971, 40310, 49942, 80620, 99884, 124855, 249710, 499420, 724159, 1448318, 2896636, 3470969, 3620795, 6941938, 7241590, 13883876, 14483180, 17354845, 34709690, 69419380, 100658101, 201316202, 402632404, 503290505, 1006581010, 2013162020]

約数ペア:

[(1, 2013162020), (2, 1006581010), (4, 503290505), (5, 402632404), (10, 201316202), (20, 100658101), (29, 69419380), (58, 34709690), (116, 17354845), (139, 14483180), (145, 13883876), (278, 7241590), (290, 6941938), (556, 3620795), (580, 3470969), (695, 2896636), (1390, 1448318), (2780, 724159), (4031, 499420), (8062, 249710), (16124, 124855), (20155, 99884), (24971, 80620), (40310, 49942)]