51747540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{66343}}^1$

素因数の和:66368

約数の個数: 48

約数和(自身を含む): 156041088

約数和(自身を除く): 104293548

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 66343, 132686, 199029, 265372, 331715, 398058, 663430, 796116, 862459, 995145, 1326860, 1724918, 1990290, 2587377, 3449836, 3980580, 4312295, 5174754, 8624590, 10349508, 12936885, 17249180, 25873770, 51747540]

約数ペア:

[(1, 51747540), (2, 25873770), (3, 17249180), (4, 12936885), (5, 10349508), (6, 8624590), (10, 5174754), (12, 4312295), (13, 3980580), (15, 3449836), (20, 2587377), (26, 1990290), (30, 1724918), (39, 1326860), (52, 995145), (60, 862459), (65, 796116), (78, 663430), (130, 398058), (156, 331715), (195, 265372), (260, 199029), (390, 132686), (780, 66343)]