140015840

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{28229}}^1$

素因数の和:28275

約数の個数: 48

約数和(自身を含む): 341470080

約数和(自身を除く): 201454240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 28229, 56458, 112916, 141145, 225832, 282290, 451664, 564580, 875099, 903328, 1129160, 1750198, 2258320, 3500396, 4375495, 4516640, 7000792, 8750990, 14001584, 17501980, 28003168, 35003960, 70007920, 140015840]

約数ペア:

[(1, 140015840), (2, 70007920), (4, 35003960), (5, 28003168), (8, 17501980), (10, 14001584), (16, 8750990), (20, 7000792), (31, 4516640), (32, 4375495), (40, 3500396), (62, 2258320), (80, 1750198), (124, 1129160), (155, 903328), (160, 875099), (248, 564580), (310, 451664), (496, 282290), (620, 225832), (992, 141145), (1240, 112916), (2480, 56458), (4960, 28229)]