42430820

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{13513}}^1$

素因数の和:13679

約数の個数: 24

約数和(自身を含む): 89678904

約数和(自身を除く): 47248084

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 13513, 27026, 54052, 67565, 135130, 270260, 2121541, 4243082, 8486164, 10607705, 21215410, 42430820]

約数ペア:

[(1, 42430820), (2, 21215410), (4, 10607705), (5, 8486164), (10, 4243082), (20, 2121541), (157, 270260), (314, 135130), (628, 67565), (785, 54052), (1570, 27026), (3140, 13513)]