39789740

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{2213}}^1$

素因数の和:2282

約数の個数: 48

約数和(自身を含む): 89268480

約数和(自身を除く): 49478740

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 58, 62, 116, 124, 145, 155, 290, 310, 580, 620, 899, 1798, 2213, 3596, 4426, 4495, 8852, 8990, 11065, 17980, 22130, 44260, 64177, 68603, 128354, 137206, 256708, 274412, 320885, 343015, 641770, 686030, 1283540, 1372060, 1989487, 3978974, 7957948, 9947435, 19894870, 39789740]

約数ペア:

[(1, 39789740), (2, 19894870), (4, 9947435), (5, 7957948), (10, 3978974), (20, 1989487), (29, 1372060), (31, 1283540), (58, 686030), (62, 641770), (116, 343015), (124, 320885), (145, 274412), (155, 256708), (290, 137206), (310, 128354), (580, 68603), (620, 64177), (899, 44260), (1798, 22130), (2213, 17980), (3596, 11065), (4426, 8990), (4495, 8852)]