25872470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{509}}^1$

素因数の和:569

約数の個数: 64

約数和(自身を含む): 55520640

約数和(自身を除く): 29648170

約数列:

[1, 2, 5, 10, 13, 17, 23, 26, 34, 46, 65, 85, 115, 130, 170, 221, 230, 299, 391, 442, 509, 598, 782, 1018, 1105, 1495, 1955, 2210, 2545, 2990, 3910, 5083, 5090, 6617, 8653, 10166, 11707, 13234, 17306, 23414, 25415, 33085, 43265, 50830, 58535, 66170, 86530, 112489, 117070, 152191, 199019, 224978, 304382, 398038, 562445, 760955, 995095, 1124890, 1521910, 1990190, 2587247, 5174494, 12936235, 25872470]

約数ペア:

[(1, 25872470), (2, 12936235), (5, 5174494), (10, 2587247), (13, 1990190), (17, 1521910), (23, 1124890), (26, 995095), (34, 760955), (46, 562445), (65, 398038), (85, 304382), (115, 224978), (130, 199019), (170, 152191), (221, 117070), (230, 112489), (299, 86530), (391, 66170), (442, 58535), (509, 50830), (598, 43265), (782, 33085), (1018, 25415), (1105, 23414), (1495, 17306), (1955, 13234), (2210, 11707), (2545, 10166), (2990, 8653), (3910, 6617), (5083, 5090)]