2018015920

素因数分解:

$2^4\times 5^1\times {\mathrm{2579}}^1\times {\mathrm{9781}}^1$

素因数の和:12373

約数の個数: 40

約数和(自身を含む): 4694186160

約数和(自身を除く): 2676170240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2579, 5158, 9781, 10316, 12895, 19562, 20632, 25790, 39124, 41264, 48905, 51580, 78248, 97810, 103160, 156496, 195620, 206320, 391240, 782480, 25225199, 50450398, 100900796, 126125995, 201801592, 252251990, 403603184, 504503980, 1009007960, 2018015920]

約数ペア:

[(1, 2018015920), (2, 1009007960), (4, 504503980), (5, 403603184), (8, 252251990), (10, 201801592), (16, 126125995), (20, 100900796), (40, 50450398), (80, 25225199), (2579, 782480), (5158, 391240), (9781, 206320), (10316, 195620), (12895, 156496), (19562, 103160), (20632, 97810), (25790, 78248), (39124, 51580), (41264, 48905)]