2012196920

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{195739}}^1$

素因数の和:196007

約数の個数: 32

約数和(自身を含む): 4545082800

約数和(自身を除く): 2532885880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 5140, 10280, 195739, 391478, 782956, 978695, 1565912, 1957390, 3914780, 7829560, 50304923, 100609846, 201219692, 251524615, 402439384, 503049230, 1006098460, 2012196920]

約数ペア:

[(1, 2012196920), (2, 1006098460), (4, 503049230), (5, 402439384), (8, 251524615), (10, 201219692), (20, 100609846), (40, 50304923), (257, 7829560), (514, 3914780), (1028, 1957390), (1285, 1565912), (2056, 978695), (2570, 782956), (5140, 391478), (10280, 195739)]