25810720

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12409}}^1$

素因数の和:12437

約数の個数: 48

約数和(自身を含む): 65673720

約数和(自身を除く): 39863000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 12409, 24818, 49636, 62045, 99272, 124090, 161317, 198544, 248180, 322634, 397088, 496360, 645268, 806585, 992720, 1290536, 1613170, 1985440, 2581072, 3226340, 5162144, 6452680, 12905360, 25810720]

約数ペア:

[(1, 25810720), (2, 12905360), (4, 6452680), (5, 5162144), (8, 3226340), (10, 2581072), (13, 1985440), (16, 1613170), (20, 1290536), (26, 992720), (32, 806585), (40, 645268), (52, 496360), (65, 397088), (80, 322634), (104, 248180), (130, 198544), (160, 161317), (208, 124090), (260, 99272), (416, 62045), (520, 49636), (1040, 24818), (2080, 12409)]