82541570

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1\times {\mathrm{641}}^1$

素因数の和:890

約数の個数: 32

約数和(自身を含む): 151614720

約数和(自身を除く): 69073150

約数列:

[1, 2, 5, 10, 79, 158, 163, 326, 395, 641, 790, 815, 1282, 1630, 3205, 6410, 12877, 25754, 50639, 64385, 101278, 104483, 128770, 208966, 253195, 506390, 522415, 1044830, 8254157, 16508314, 41270785, 82541570]

約数ペア:

[(1, 82541570), (2, 41270785), (5, 16508314), (10, 8254157), (79, 1044830), (158, 522415), (163, 506390), (326, 253195), (395, 208966), (641, 128770), (790, 104483), (815, 101278), (1282, 64385), (1630, 50639), (3205, 25754), (6410, 12877)]