8343920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:210

約数の個数: 80

約数和(自身を含む): 21373632

約数和(自身を除く): 13029712

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 71, 80, 104, 113, 130, 142, 208, 226, 260, 284, 355, 452, 520, 565, 568, 710, 904, 923, 1040, 1130, 1136, 1420, 1469, 1808, 1846, 2260, 2840, 2938, 3692, 4520, 4615, 5680, 5876, 7345, 7384, 8023, 9040, 9230, 11752, 14690, 14768, 16046, 18460, 23504, 29380, 32092, 36920, 40115, 58760, 64184, 73840, 80230, 104299, 117520, 128368, 160460, 208598, 320920, 417196, 521495, 641840, 834392, 1042990, 1668784, 2085980, 4171960, 8343920]

約数ペア:

[(1, 8343920), (2, 4171960), (4, 2085980), (5, 1668784), (8, 1042990), (10, 834392), (13, 641840), (16, 521495), (20, 417196), (26, 320920), (40, 208598), (52, 160460), (65, 128368), (71, 117520), (80, 104299), (104, 80230), (113, 73840), (130, 64184), (142, 58760), (208, 40115), (226, 36920), (260, 32092), (284, 29380), (355, 23504), (452, 18460), (520, 16046), (565, 14768), (568, 14690), (710, 11752), (904, 9230), (923, 9040), (1040, 8023), (1130, 7384), (1136, 7345), (1420, 5876), (1469, 5680), (1808, 4615), (1846, 4520), (2260, 3692), (2840, 2938)]