39506980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{887}}^1$

素因数の和:1044

約数の個数: 48

約数和(自身を含む): 88615296

約数和(自身を除く): 49108316

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 131, 170, 262, 340, 524, 655, 887, 1310, 1774, 2227, 2620, 3548, 4435, 4454, 8870, 8908, 11135, 15079, 17740, 22270, 30158, 44540, 60316, 75395, 116197, 150790, 232394, 301580, 464788, 580985, 1161970, 1975349, 2323940, 3950698, 7901396, 9876745, 19753490, 39506980]

約数ペア:

[(1, 39506980), (2, 19753490), (4, 9876745), (5, 7901396), (10, 3950698), (17, 2323940), (20, 1975349), (34, 1161970), (68, 580985), (85, 464788), (131, 301580), (170, 232394), (262, 150790), (340, 116197), (524, 75395), (655, 60316), (887, 44540), (1310, 30158), (1774, 22270), (2227, 17740), (2620, 15079), (3548, 11135), (4435, 8908), (4454, 8870)]