2012054020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{112657}}^1$

素因数の和:112732

約数の個数: 48

約数和(自身を含む): 4542370560

約数和(自身を除く): 2530316540

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 76, 94, 95, 188, 190, 235, 380, 470, 893, 940, 1786, 3572, 4465, 8930, 17860, 112657, 225314, 450628, 563285, 1126570, 2140483, 2253140, 4280966, 5294879, 8561932, 10589758, 10702415, 21179516, 21404830, 26474395, 42809660, 52948790, 100602701, 105897580, 201205402, 402410804, 503013505, 1006027010, 2012054020]

約数ペア:

[(1, 2012054020), (2, 1006027010), (4, 503013505), (5, 402410804), (10, 201205402), (19, 105897580), (20, 100602701), (38, 52948790), (47, 42809660), (76, 26474395), (94, 21404830), (95, 21179516), (188, 10702415), (190, 10589758), (235, 8561932), (380, 5294879), (470, 4280966), (893, 2253140), (940, 2140483), (1786, 1126570), (3572, 563285), (4465, 450628), (8930, 225314), (17860, 112657)]