67820870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{16829}}^1$

素因数の和:16880

約数の個数: 32

約数和(自身を含む): 135717120

約数和(自身を除く): 67896250

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 16829, 33658, 84145, 168290, 218777, 437554, 521699, 1043398, 1093885, 2187770, 2608495, 5216990, 6782087, 13564174, 33910435, 67820870]

約数ペア:

[(1, 67820870), (2, 33910435), (5, 13564174), (10, 6782087), (13, 5216990), (26, 2608495), (31, 2187770), (62, 1093885), (65, 1043398), (130, 521699), (155, 437554), (310, 218777), (403, 168290), (806, 84145), (2015, 33658), (4030, 16829)]