12939550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1171}}^1$

素因数の和:1213

約数の個数: 48

約数和(自身を含む): 27466992

約数和(自身を除く): 14527442

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 50, 65, 85, 130, 170, 221, 325, 425, 442, 650, 850, 1105, 1171, 2210, 2342, 5525, 5855, 11050, 11710, 15223, 19907, 29275, 30446, 39814, 58550, 76115, 99535, 152230, 199070, 258791, 380575, 497675, 517582, 761150, 995350, 1293955, 2587910, 6469775, 12939550]

約数ペア:

[(1, 12939550), (2, 6469775), (5, 2587910), (10, 1293955), (13, 995350), (17, 761150), (25, 517582), (26, 497675), (34, 380575), (50, 258791), (65, 199070), (85, 152230), (130, 99535), (170, 76115), (221, 58550), (325, 39814), (425, 30446), (442, 29275), (650, 19907), (850, 15223), (1105, 11710), (1171, 11050), (2210, 5855), (2342, 5525)]