40085080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{599}}^1$

素因数の和:856

約数の個数: 64

約数和(自身を含む): 103680000

約数和(自身を除く): 63594920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 239, 280, 478, 599, 956, 1195, 1198, 1673, 1912, 2390, 2396, 2995, 3346, 4193, 4780, 4792, 5990, 6692, 8365, 8386, 9560, 11980, 13384, 16730, 16772, 20965, 23960, 33460, 33544, 41930, 66920, 83860, 143161, 167720, 286322, 572644, 715805, 1002127, 1145288, 1431610, 2004254, 2863220, 4008508, 5010635, 5726440, 8017016, 10021270, 20042540, 40085080]

約数ペア:

[(1, 40085080), (2, 20042540), (4, 10021270), (5, 8017016), (7, 5726440), (8, 5010635), (10, 4008508), (14, 2863220), (20, 2004254), (28, 1431610), (35, 1145288), (40, 1002127), (56, 715805), (70, 572644), (140, 286322), (239, 167720), (280, 143161), (478, 83860), (599, 66920), (956, 41930), (1195, 33544), (1198, 33460), (1673, 23960), (1912, 20965), (2390, 16772), (2396, 16730), (2995, 13384), (3346, 11980), (4193, 9560), (4780, 8386), (4792, 8365), (5990, 6692)]