55157180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{12479}}^1$

素因数の和:12518

約数の個数: 48

約数和(自身を含む): 132088320

約数和(自身を除く): 76931140

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 12479, 24958, 49916, 62395, 124790, 162227, 212143, 249580, 324454, 424286, 648908, 811135, 848572, 1060715, 1622270, 2121430, 2757859, 3244540, 4242860, 5515718, 11031436, 13789295, 27578590, 55157180]

約数ペア:

[(1, 55157180), (2, 27578590), (4, 13789295), (5, 11031436), (10, 5515718), (13, 4242860), (17, 3244540), (20, 2757859), (26, 2121430), (34, 1622270), (52, 1060715), (65, 848572), (68, 811135), (85, 648908), (130, 424286), (170, 324454), (221, 249580), (260, 212143), (340, 162227), (442, 124790), (884, 62395), (1105, 49916), (2210, 24958), (4420, 12479)]