207930640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83843}}^1$

素因数の和:83887

約数の個数: 40

約数和(自身を含む): 499039488

約数和(自身を除く): 291108848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 83843, 167686, 335372, 419215, 670744, 838430, 1341488, 1676860, 2599133, 3353720, 5198266, 6707440, 10396532, 12995665, 20793064, 25991330, 41586128, 51982660, 103965320, 207930640]

約数ペア:

[(1, 207930640), (2, 103965320), (4, 51982660), (5, 41586128), (8, 25991330), (10, 20793064), (16, 12995665), (20, 10396532), (31, 6707440), (40, 5198266), (62, 3353720), (80, 2599133), (124, 1676860), (155, 1341488), (248, 838430), (310, 670744), (496, 419215), (620, 335372), (1240, 167686), (2480, 83843)]