42131960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{81023}}^1$

素因数の和:81047

約数の個数: 32

約数和(自身を含む): 102090240

約数和(自身を除く): 59958280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 81023, 162046, 324092, 405115, 648184, 810230, 1053299, 1620460, 2106598, 3240920, 4213196, 5266495, 8426392, 10532990, 21065980, 42131960]

約数ペア:

[(1, 42131960), (2, 21065980), (4, 10532990), (5, 8426392), (8, 5266495), (10, 4213196), (13, 3240920), (20, 2106598), (26, 1620460), (40, 1053299), (52, 810230), (65, 648184), (104, 405115), (130, 324092), (260, 162046), (520, 81023)]