20160310840

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{66343}}^1$

素因数の和:66532

約数の個数: 64

約数和(自身を含む): 46430184960

約数和(自身を除く): 26269874120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 107, 142, 214, 284, 355, 428, 535, 568, 710, 856, 1070, 1420, 2140, 2840, 4280, 7597, 15194, 30388, 37985, 60776, 66343, 75970, 132686, 151940, 265372, 303880, 331715, 530744, 663430, 1326860, 2653720, 4710353, 7098701, 9420706, 14197402, 18841412, 23551765, 28394804, 35493505, 37682824, 47103530, 56789608, 70987010, 94207060, 141974020, 188414120, 283948040, 504007771, 1008015542, 2016031084, 2520038855, 4032062168, 5040077710, 10080155420, 20160310840]

約数ペア:

[(1, 20160310840), (2, 10080155420), (4, 5040077710), (5, 4032062168), (8, 2520038855), (10, 2016031084), (20, 1008015542), (40, 504007771), (71, 283948040), (107, 188414120), (142, 141974020), (214, 94207060), (284, 70987010), (355, 56789608), (428, 47103530), (535, 37682824), (568, 35493505), (710, 28394804), (856, 23551765), (1070, 18841412), (1420, 14197402), (2140, 9420706), (2840, 7098701), (4280, 4710353), (7597, 2653720), (15194, 1326860), (30388, 663430), (37985, 530744), (60776, 331715), (66343, 303880), (75970, 265372), (132686, 151940)]