13021450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1$

素因数の和:128

約数の個数: 72

約数和(自身を含む): 27775008

約数和(自身を除く): 14753558

約数列:

[1, 2, 5, 10, 13, 23, 25, 26, 46, 50, 65, 67, 115, 130, 134, 169, 230, 299, 325, 335, 338, 575, 598, 650, 670, 845, 871, 1150, 1495, 1541, 1675, 1690, 1742, 2990, 3082, 3350, 3887, 4225, 4355, 7475, 7705, 7774, 8450, 8710, 11323, 14950, 15410, 19435, 20033, 21775, 22646, 38525, 38870, 40066, 43550, 56615, 77050, 97175, 100165, 113230, 194350, 200330, 260429, 283075, 500825, 520858, 566150, 1001650, 1302145, 2604290, 6510725, 13021450]

約数ペア:

[(1, 13021450), (2, 6510725), (5, 2604290), (10, 1302145), (13, 1001650), (23, 566150), (25, 520858), (26, 500825), (46, 283075), (50, 260429), (65, 200330), (67, 194350), (115, 113230), (130, 100165), (134, 97175), (169, 77050), (230, 56615), (299, 43550), (325, 40066), (335, 38870), (338, 38525), (575, 22646), (598, 21775), (650, 20033), (670, 19435), (845, 15410), (871, 14950), (1150, 11323), (1495, 8710), (1541, 8450), (1675, 7774), (1690, 7705), (1742, 7475), (2990, 4355), (3082, 4225), (3350, 3887)]