8004620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1811}}^1$

素因数の和:1850

約数の個数: 48

約数和(自身を含む): 19178208

約数和(自身を除く): 11173588

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, 1811, 2210, 3622, 4420, 7244, 9055, 18110, 23543, 30787, 36220, 47086, 61574, 94172, 117715, 123148, 153935, 235430, 307870, 400231, 470860, 615740, 800462, 1600924, 2001155, 4002310, 8004620]

約数ペア:

[(1, 8004620), (2, 4002310), (4, 2001155), (5, 1600924), (10, 800462), (13, 615740), (17, 470860), (20, 400231), (26, 307870), (34, 235430), (52, 153935), (65, 123148), (68, 117715), (85, 94172), (130, 61574), (170, 47086), (221, 36220), (260, 30787), (340, 23543), (442, 18110), (884, 9055), (1105, 7244), (1811, 4420), (2210, 3622)]