1998870560

素因数分解:

$2^5\times 5^1\times {\mathrm{113}}^1\times {\mathrm{110557}}^1$

素因数の和:110685

約数の個数: 48

約数和(自身を含む): 4764165336

約数和(自身を除く): 2765294776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 113, 160, 226, 452, 565, 904, 1130, 1808, 2260, 3616, 4520, 9040, 18080, 110557, 221114, 442228, 552785, 884456, 1105570, 1768912, 2211140, 3537824, 4422280, 8844560, 12492941, 17689120, 24985882, 49971764, 62464705, 99943528, 124929410, 199887056, 249858820, 399774112, 499717640, 999435280, 1998870560]

約数ペア:

[(1, 1998870560), (2, 999435280), (4, 499717640), (5, 399774112), (8, 249858820), (10, 199887056), (16, 124929410), (20, 99943528), (32, 62464705), (40, 49971764), (80, 24985882), (113, 17689120), (160, 12492941), (226, 8844560), (452, 4422280), (565, 3537824), (904, 2211140), (1130, 1768912), (1808, 1105570), (2260, 884456), (3616, 552785), (4520, 442228), (9040, 221114), (18080, 110557)]