15820870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{929}}^1$

素因数の和:1080

約数の個数: 32

約数和(自身を含む): 30935520

約数和(自身を除く): 15114650

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 131, 262, 655, 929, 1310, 1703, 1858, 3406, 4645, 8515, 9290, 12077, 17030, 24154, 60385, 120770, 121699, 243398, 608495, 1216990, 1582087, 3164174, 7910435, 15820870]

約数ペア:

[(1, 15820870), (2, 7910435), (5, 3164174), (10, 1582087), (13, 1216990), (26, 608495), (65, 243398), (130, 121699), (131, 120770), (262, 60385), (655, 24154), (929, 17030), (1310, 12077), (1703, 9290), (1858, 8515), (3406, 4645)]