78690820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{13159}}^1$

素因数の和:13204

約数の個数: 48

約数和(自身を含む): 185713920

約数和(自身を除く): 107023100

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 230, 260, 299, 460, 598, 1196, 1495, 2990, 5980, 13159, 26318, 52636, 65795, 131590, 171067, 263180, 302657, 342134, 605314, 684268, 855335, 1210628, 1513285, 1710670, 3026570, 3421340, 3934541, 6053140, 7869082, 15738164, 19672705, 39345410, 78690820]

約数ペア:

[(1, 78690820), (2, 39345410), (4, 19672705), (5, 15738164), (10, 7869082), (13, 6053140), (20, 3934541), (23, 3421340), (26, 3026570), (46, 1710670), (52, 1513285), (65, 1210628), (92, 855335), (115, 684268), (130, 605314), (230, 342134), (260, 302657), (299, 263180), (460, 171067), (598, 131590), (1196, 65795), (1495, 52636), (2990, 26318), (5980, 13159)]