8865220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4871}}^1$

素因数の和:4900

約数の個数: 48

約数和(自身を含む): 22917888

約数和(自身を除く): 14052668

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 4871, 9742, 19484, 24355, 34097, 48710, 63323, 68194, 97420, 126646, 136388, 170485, 253292, 316615, 340970, 443261, 633230, 681940, 886522, 1266460, 1773044, 2216305, 4432610, 8865220]

約数ペア:

[(1, 8865220), (2, 4432610), (4, 2216305), (5, 1773044), (7, 1266460), (10, 886522), (13, 681940), (14, 633230), (20, 443261), (26, 340970), (28, 316615), (35, 253292), (52, 170485), (65, 136388), (70, 126646), (91, 97420), (130, 68194), (140, 63323), (182, 48710), (260, 34097), (364, 24355), (455, 19484), (910, 9742), (1820, 4871)]