8167880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{941}}^1$

素因数の和:990

約数の個数: 64

約数和(自身を含む): 21703680

約数和(自身を除く): 13535800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 941, 1085, 1240, 1736, 1882, 2170, 3764, 4340, 4705, 6587, 7528, 8680, 9410, 13174, 18820, 26348, 29171, 32935, 37640, 52696, 58342, 65870, 116684, 131740, 145855, 204197, 233368, 263480, 291710, 408394, 583420, 816788, 1020985, 1166840, 1633576, 2041970, 4083940, 8167880]

約数ペア:

[(1, 8167880), (2, 4083940), (4, 2041970), (5, 1633576), (7, 1166840), (8, 1020985), (10, 816788), (14, 583420), (20, 408394), (28, 291710), (31, 263480), (35, 233368), (40, 204197), (56, 145855), (62, 131740), (70, 116684), (124, 65870), (140, 58342), (155, 52696), (217, 37640), (248, 32935), (280, 29171), (310, 26348), (434, 18820), (620, 13174), (868, 9410), (941, 8680), (1085, 7528), (1240, 6587), (1736, 4705), (1882, 4340), (2170, 3764)]