8687440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^2\times {\mathrm{113}}^1$

素因数の和:188

約数の個数: 60

約数和(自身を含む): 21055572

約数和(自身を除く): 12368132

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 113, 124, 155, 226, 248, 310, 452, 496, 565, 620, 904, 961, 1130, 1240, 1808, 1922, 2260, 2480, 3503, 3844, 4520, 4805, 7006, 7688, 9040, 9610, 14012, 15376, 17515, 19220, 28024, 35030, 38440, 56048, 70060, 76880, 108593, 140120, 217186, 280240, 434372, 542965, 868744, 1085930, 1737488, 2171860, 4343720, 8687440]

約数ペア:

[(1, 8687440), (2, 4343720), (4, 2171860), (5, 1737488), (8, 1085930), (10, 868744), (16, 542965), (20, 434372), (31, 280240), (40, 217186), (62, 140120), (80, 108593), (113, 76880), (124, 70060), (155, 56048), (226, 38440), (248, 35030), (310, 28024), (452, 19220), (496, 17515), (565, 15376), (620, 14012), (904, 9610), (961, 9040), (1130, 7688), (1240, 7006), (1808, 4805), (1922, 4520), (2260, 3844), (2480, 3503)]