2012943920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{18089}}^1$

素因数の和:18222

約数の個数: 80

約数和(自身を含む): 5087486880

約数和(自身を除く): 3074542960

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 107, 130, 208, 214, 260, 428, 520, 535, 856, 1040, 1070, 1391, 1712, 2140, 2782, 4280, 5564, 6955, 8560, 11128, 13910, 18089, 22256, 27820, 36178, 55640, 72356, 90445, 111280, 144712, 180890, 235157, 289424, 361780, 470314, 723560, 940628, 1175785, 1447120, 1881256, 1935523, 2351570, 3762512, 3871046, 4703140, 7742092, 9406280, 9677615, 15484184, 18812560, 19355230, 25161799, 30968368, 38710460, 50323598, 77420920, 100647196, 125808995, 154841840, 201294392, 251617990, 402588784, 503235980, 1006471960, 2012943920]

約数ペア:

[(1, 2012943920), (2, 1006471960), (4, 503235980), (5, 402588784), (8, 251617990), (10, 201294392), (13, 154841840), (16, 125808995), (20, 100647196), (26, 77420920), (40, 50323598), (52, 38710460), (65, 30968368), (80, 25161799), (104, 19355230), (107, 18812560), (130, 15484184), (208, 9677615), (214, 9406280), (260, 7742092), (428, 4703140), (520, 3871046), (535, 3762512), (856, 2351570), (1040, 1935523), (1070, 1881256), (1391, 1447120), (1712, 1175785), (2140, 940628), (2782, 723560), (4280, 470314), (5564, 361780), (6955, 289424), (8560, 235157), (11128, 180890), (13910, 144712), (18089, 111280), (22256, 90445), (27820, 72356), (36178, 55640)]