5220020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1181}}^1$

素因数の和:1220

約数の個数: 48

約数和(自身を含む): 12510288

約数和(自身を除く): 7290268

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, 1181, 2210, 2362, 4420, 4724, 5905, 11810, 15353, 20077, 23620, 30706, 40154, 61412, 76765, 80308, 100385, 153530, 200770, 261001, 307060, 401540, 522002, 1044004, 1305005, 2610010, 5220020]

約数ペア:

[(1, 5220020), (2, 2610010), (4, 1305005), (5, 1044004), (10, 522002), (13, 401540), (17, 307060), (20, 261001), (26, 200770), (34, 153530), (52, 100385), (65, 80308), (68, 76765), (85, 61412), (130, 40154), (170, 30706), (221, 23620), (260, 20077), (340, 15353), (442, 11810), (884, 5905), (1105, 4724), (1181, 4420), (2210, 2362)]