1918156720

素因数分解:

$2^4\times 5^1\times {\mathrm{4441}}^1\times {\mathrm{5399}}^1$

素因数の和:9853

約数の個数: 40

約数和(自身を含む): 4461544800

約数和(自身を除く): 2543388080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4441, 5399, 8882, 10798, 17764, 21596, 22205, 26995, 35528, 43192, 44410, 53990, 71056, 86384, 88820, 107980, 177640, 215960, 355280, 431920, 23976959, 47953918, 95907836, 119884795, 191815672, 239769590, 383631344, 479539180, 959078360, 1918156720]

約数ペア:

[(1, 1918156720), (2, 959078360), (4, 479539180), (5, 383631344), (8, 239769590), (10, 191815672), (16, 119884795), (20, 95907836), (40, 47953918), (80, 23976959), (4441, 431920), (5399, 355280), (8882, 215960), (10798, 177640), (17764, 107980), (21596, 88820), (22205, 86384), (26995, 71056), (35528, 53990), (43192, 44410)]