2018448440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1627781}}^1$

素因数の和:1627823

約数の個数: 32

約数和(自身を含む): 4688012160

約数和(自身を除く): 2669563720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 1627781, 3255562, 6511124, 8138905, 13022248, 16277810, 32555620, 50461211, 65111240, 100922422, 201844844, 252306055, 403689688, 504612110, 1009224220, 2018448440]

約数ペア:

[(1, 2018448440), (2, 1009224220), (4, 504612110), (5, 403689688), (8, 252306055), (10, 201844844), (20, 100922422), (31, 65111240), (40, 50461211), (62, 32555620), (124, 16277810), (155, 13022248), (248, 8138905), (310, 6511124), (620, 3255562), (1240, 1627781)]