1249410320

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{143281}}^1$

素因数の和:143403

約数の個数: 40

約数和(自身を含む): 2931549720

約数和(自身を除く): 1682139400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 8720, 143281, 286562, 573124, 716405, 1146248, 1432810, 2292496, 2865620, 5731240, 11462480, 15617629, 31235258, 62470516, 78088145, 124941032, 156176290, 249882064, 312352580, 624705160, 1249410320]

約数ペア:

[(1, 1249410320), (2, 624705160), (4, 312352580), (5, 249882064), (8, 156176290), (10, 124941032), (16, 78088145), (20, 62470516), (40, 31235258), (80, 15617629), (109, 11462480), (218, 5731240), (436, 2865620), (545, 2292496), (872, 1432810), (1090, 1146248), (1744, 716405), (2180, 573124), (4360, 286562), (8720, 143281)]