67770820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{941}}^1$

素因数の和:1240

約数の個数: 48

約数和(自身を含む): 153983088

約数和(自身を除く): 86212268

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 277, 554, 941, 1108, 1385, 1882, 2770, 3601, 3764, 4705, 5540, 7202, 9410, 12233, 14404, 18005, 18820, 24466, 36010, 48932, 61165, 72020, 122330, 244660, 260657, 521314, 1042628, 1303285, 2606570, 3388541, 5213140, 6777082, 13554164, 16942705, 33885410, 67770820]

約数ペア:

[(1, 67770820), (2, 33885410), (4, 16942705), (5, 13554164), (10, 6777082), (13, 5213140), (20, 3388541), (26, 2606570), (52, 1303285), (65, 1042628), (130, 521314), (260, 260657), (277, 244660), (554, 122330), (941, 72020), (1108, 61165), (1385, 48932), (1882, 36010), (2770, 24466), (3601, 18820), (3764, 18005), (4705, 14404), (5540, 12233), (7202, 9410)]