209705080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{13009}}^1$

素因数の和:13064

約数の個数: 64

約数和(自身を含む): 524563200

約数和(自身を除く): 314858120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4030, 8060, 13009, 16120, 26018, 52036, 65045, 104072, 130090, 169117, 260180, 338234, 403279, 520360, 676468, 806558, 845585, 1352936, 1613116, 1691170, 2016395, 3226232, 3382340, 4032790, 5242627, 6764680, 8065580, 10485254, 16131160, 20970508, 26213135, 41941016, 52426270, 104852540, 209705080]

約数ペア:

[(1, 209705080), (2, 104852540), (4, 52426270), (5, 41941016), (8, 26213135), (10, 20970508), (13, 16131160), (20, 10485254), (26, 8065580), (31, 6764680), (40, 5242627), (52, 4032790), (62, 3382340), (65, 3226232), (104, 2016395), (124, 1691170), (130, 1613116), (155, 1352936), (248, 845585), (260, 806558), (310, 676468), (403, 520360), (520, 403279), (620, 338234), (806, 260180), (1240, 169117), (1612, 130090), (2015, 104072), (3224, 65045), (4030, 52036), (8060, 26018), (13009, 16120)]