791050780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{19379}}^1$

素因数の和:19558

約数の個数: 48

約数和(自身を含む): 1800479520

約数和(自身を除く): 1009428740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 157, 260, 314, 628, 785, 1570, 2041, 3140, 4082, 8164, 10205, 19379, 20410, 38758, 40820, 77516, 96895, 193790, 251927, 387580, 503854, 1007708, 1259635, 2519270, 3042503, 5038540, 6085006, 12170012, 15212515, 30425030, 39552539, 60850060, 79105078, 158210156, 197762695, 395525390, 791050780]

約数ペア:

[(1, 791050780), (2, 395525390), (4, 197762695), (5, 158210156), (10, 79105078), (13, 60850060), (20, 39552539), (26, 30425030), (52, 15212515), (65, 12170012), (130, 6085006), (157, 5038540), (260, 3042503), (314, 2519270), (628, 1259635), (785, 1007708), (1570, 503854), (2041, 387580), (3140, 251927), (4082, 193790), (8164, 96895), (10205, 77516), (19379, 40820), (20410, 38758)]