8889080

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:216

約数の個数: 64

約数和(自身を含む): 21168000

約数和(自身を除く): 12278920

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 79, 97, 116, 145, 158, 194, 232, 290, 316, 388, 395, 485, 580, 632, 776, 790, 970, 1160, 1580, 1940, 2291, 2813, 3160, 3880, 4582, 5626, 7663, 9164, 11252, 11455, 14065, 15326, 18328, 22504, 22910, 28130, 30652, 38315, 45820, 56260, 61304, 76630, 91640, 112520, 153260, 222227, 306520, 444454, 888908, 1111135, 1777816, 2222270, 4444540, 8889080]

約数ペア:

[(1, 8889080), (2, 4444540), (4, 2222270), (5, 1777816), (8, 1111135), (10, 888908), (20, 444454), (29, 306520), (40, 222227), (58, 153260), (79, 112520), (97, 91640), (116, 76630), (145, 61304), (158, 56260), (194, 45820), (232, 38315), (290, 30652), (316, 28130), (388, 22910), (395, 22504), (485, 18328), (580, 15326), (632, 14065), (776, 11455), (790, 11252), (970, 9164), (1160, 7663), (1580, 5626), (1940, 4582), (2291, 3880), (2813, 3160)]