77925640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{541}}^1$

素因数の和:842

約数の個数: 64

約数和(自身を含む): 189851760

約数和(自身を除く): 111926120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 277, 520, 541, 554, 1082, 1108, 1385, 2164, 2216, 2705, 2770, 3601, 4328, 5410, 5540, 7033, 7202, 10820, 11080, 14066, 14404, 18005, 21640, 28132, 28808, 35165, 36010, 56264, 70330, 72020, 140660, 144040, 149857, 281320, 299714, 599428, 749285, 1198856, 1498570, 1948141, 2997140, 3896282, 5994280, 7792564, 9740705, 15585128, 19481410, 38962820, 77925640]

約数ペア:

[(1, 77925640), (2, 38962820), (4, 19481410), (5, 15585128), (8, 9740705), (10, 7792564), (13, 5994280), (20, 3896282), (26, 2997140), (40, 1948141), (52, 1498570), (65, 1198856), (104, 749285), (130, 599428), (260, 299714), (277, 281320), (520, 149857), (541, 144040), (554, 140660), (1082, 72020), (1108, 70330), (1385, 56264), (2164, 36010), (2216, 35165), (2705, 28808), (2770, 28132), (3601, 21640), (4328, 18005), (5410, 14404), (5540, 14066), (7033, 11080), (7202, 10820)]