18028040

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{7639}}^1$

素因数の和:7709

約数の個数: 32

約数和(自身を含む): 41256000

約数和(自身を除く): 23227960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 2360, 7639, 15278, 30556, 38195, 61112, 76390, 152780, 305560, 450701, 901402, 1802804, 2253505, 3605608, 4507010, 9014020, 18028040]

約数ペア:

[(1, 18028040), (2, 9014020), (4, 4507010), (5, 3605608), (8, 2253505), (10, 1802804), (20, 901402), (40, 450701), (59, 305560), (118, 152780), (236, 76390), (295, 61112), (472, 38195), (590, 30556), (1180, 15278), (2360, 7639)]