140896240

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{56813}}^1$

素因数の和:56857

約数の個数: 40

約数和(自身を含む): 338156928

約数和(自身を除く): 197260688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 56813, 113626, 227252, 284065, 454504, 568130, 909008, 1136260, 1761203, 2272520, 3522406, 4545040, 7044812, 8806015, 14089624, 17612030, 28179248, 35224060, 70448120, 140896240]

約数ペア:

[(1, 140896240), (2, 70448120), (4, 35224060), (5, 28179248), (8, 17612030), (10, 14089624), (16, 8806015), (20, 7044812), (31, 4545040), (40, 3522406), (62, 2272520), (80, 1761203), (124, 1136260), (155, 909008), (248, 568130), (310, 454504), (496, 284065), (620, 227252), (1240, 113626), (2480, 56813)]