42720430

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1\times {\mathrm{661}}^1$

素因数の和:972

約数の個数: 32

約数和(自身を含む): 80647488

約数和(自身を除く): 37927058

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 281, 562, 661, 1322, 1405, 2810, 3305, 6463, 6610, 12926, 15203, 30406, 32315, 64630, 76015, 152030, 185741, 371482, 928705, 1857410, 4272043, 8544086, 21360215, 42720430]

約数ペア:

[(1, 42720430), (2, 21360215), (5, 8544086), (10, 4272043), (23, 1857410), (46, 928705), (115, 371482), (230, 185741), (281, 152030), (562, 76015), (661, 64630), (1322, 32315), (1405, 30406), (2810, 15203), (3305, 12926), (6463, 6610)]