13105180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{839}}^1$

素因数の和:930

約数の個数: 48

約数和(自身を含む): 30481920

約数和(自身を除く): 17376740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 839, 1420, 1562, 1678, 3124, 3356, 3905, 4195, 7810, 8390, 9229, 15620, 16780, 18458, 36916, 46145, 59569, 92290, 119138, 184580, 238276, 297845, 595690, 655259, 1191380, 1310518, 2621036, 3276295, 6552590, 13105180]

約数ペア:

[(1, 13105180), (2, 6552590), (4, 3276295), (5, 2621036), (10, 1310518), (11, 1191380), (20, 655259), (22, 595690), (44, 297845), (55, 238276), (71, 184580), (110, 119138), (142, 92290), (220, 59569), (284, 46145), (355, 36916), (710, 18458), (781, 16780), (839, 15620), (1420, 9229), (1562, 8390), (1678, 7810), (3124, 4195), (3356, 3905)]