2017685840

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{813583}}^1$

素因数の和:813627

約数の個数: 40

約数和(自身を含む): 4842451968

約数和(自身を除く): 2824766128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 813583, 1627166, 3254332, 4067915, 6508664, 8135830, 13017328, 16271660, 25221073, 32543320, 50442146, 65086640, 100884292, 126105365, 201768584, 252210730, 403537168, 504421460, 1008842920, 2017685840]

約数ペア:

[(1, 2017685840), (2, 1008842920), (4, 504421460), (5, 403537168), (8, 252210730), (10, 201768584), (16, 126105365), (20, 100884292), (31, 65086640), (40, 50442146), (62, 32543320), (80, 25221073), (124, 16271660), (155, 13017328), (248, 8135830), (310, 6508664), (496, 4067915), (620, 3254332), (1240, 1627166), (2480, 813583)]