145315780

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{40591}}^1$

素因数の和:40779

約数の個数: 24

約数和(自身を含む): 306875520

約数和(自身を除く): 161559740

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1790, 3580, 40591, 81182, 162364, 202955, 405910, 811820, 7265789, 14531578, 29063156, 36328945, 72657890, 145315780]

約数ペア:

[(1, 145315780), (2, 72657890), (4, 36328945), (5, 29063156), (10, 14531578), (20, 7265789), (179, 811820), (358, 405910), (716, 202955), (895, 162364), (1790, 81182), (3580, 40591)]