140462920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{270121}}^1$

素因数の和:270145

約数の個数: 32

約数和(自身を含む): 340353720

約数和(自身を除く): 199890800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 270121, 540242, 1080484, 1350605, 2160968, 2701210, 3511573, 5402420, 7023146, 10804840, 14046292, 17557865, 28092584, 35115730, 70231460, 140462920]

約数ペア:

[(1, 140462920), (2, 70231460), (4, 35115730), (5, 28092584), (8, 17557865), (10, 14046292), (13, 10804840), (20, 7023146), (26, 5402420), (40, 3511573), (52, 2701210), (65, 2160968), (104, 1350605), (130, 1080484), (260, 540242), (520, 270121)]