81549740

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{140603}}^1$

素因数の和:140641

約数の個数: 24

約数和(自身を含む): 177161040

約数和(自身を除く): 95611300

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 140603, 281206, 562412, 703015, 1406030, 2812060, 4077487, 8154974, 16309948, 20387435, 40774870, 81549740]

約数ペア:

[(1, 81549740), (2, 40774870), (4, 20387435), (5, 16309948), (10, 8154974), (20, 4077487), (29, 2812060), (58, 1406030), (116, 703015), (145, 562412), (290, 281206), (580, 140603)]