40087880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{181}}^1$

素因数の和:319

約数の個数: 96

約数和(自身を含む): 106437240

約数和(自身を除く): 66349360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 113, 140, 181, 196, 226, 245, 280, 362, 392, 452, 490, 565, 724, 791, 904, 905, 980, 1130, 1267, 1448, 1582, 1810, 1960, 2260, 2534, 3164, 3620, 3955, 4520, 5068, 5537, 6328, 6335, 7240, 7910, 8869, 10136, 11074, 12670, 15820, 17738, 20453, 22148, 25340, 27685, 31640, 35476, 40906, 44296, 44345, 50680, 55370, 70952, 81812, 88690, 102265, 110740, 143171, 163624, 177380, 204530, 221480, 286342, 354760, 409060, 572684, 715855, 818120, 1002197, 1145368, 1431710, 2004394, 2863420, 4008788, 5010985, 5726840, 8017576, 10021970, 20043940, 40087880]

約数ペア:

[(1, 40087880), (2, 20043940), (4, 10021970), (5, 8017576), (7, 5726840), (8, 5010985), (10, 4008788), (14, 2863420), (20, 2004394), (28, 1431710), (35, 1145368), (40, 1002197), (49, 818120), (56, 715855), (70, 572684), (98, 409060), (113, 354760), (140, 286342), (181, 221480), (196, 204530), (226, 177380), (245, 163624), (280, 143171), (362, 110740), (392, 102265), (452, 88690), (490, 81812), (565, 70952), (724, 55370), (791, 50680), (904, 44345), (905, 44296), (980, 40906), (1130, 35476), (1267, 31640), (1448, 27685), (1582, 25340), (1810, 22148), (1960, 20453), (2260, 17738), (2534, 15820), (3164, 12670), (3620, 11074), (3955, 10136), (4520, 8869), (5068, 7910), (5537, 7240), (6328, 6335)]