8075860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{349}}^1$

素因数の和:460

約数の個数: 48

約数和(自身を含む): 18522000

約数和(自身を除く): 10446140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 178, 260, 349, 356, 445, 698, 890, 1157, 1396, 1745, 1780, 2314, 3490, 4537, 4628, 5785, 6980, 9074, 11570, 18148, 22685, 23140, 31061, 45370, 62122, 90740, 124244, 155305, 310610, 403793, 621220, 807586, 1615172, 2018965, 4037930, 8075860]

約数ペア:

[(1, 8075860), (2, 4037930), (4, 2018965), (5, 1615172), (10, 807586), (13, 621220), (20, 403793), (26, 310610), (52, 155305), (65, 124244), (89, 90740), (130, 62122), (178, 45370), (260, 31061), (349, 23140), (356, 22685), (445, 18148), (698, 11570), (890, 9074), (1157, 6980), (1396, 5785), (1745, 4628), (1780, 4537), (2314, 3490)]