221670880

素因数分解:

$2^5\times 5^1\times {\mathrm{127}}^1\times {\mathrm{10909}}^1$

素因数の和:11051

約数の個数: 48

約数和(自身を含む): 527869440

約数和(自身を除く): 306198560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 127, 160, 254, 508, 635, 1016, 1270, 2032, 2540, 4064, 5080, 10160, 10909, 20320, 21818, 43636, 54545, 87272, 109090, 174544, 218180, 349088, 436360, 872720, 1385443, 1745440, 2770886, 5541772, 6927215, 11083544, 13854430, 22167088, 27708860, 44334176, 55417720, 110835440, 221670880]

約数ペア:

[(1, 221670880), (2, 110835440), (4, 55417720), (5, 44334176), (8, 27708860), (10, 22167088), (16, 13854430), (20, 11083544), (32, 6927215), (40, 5541772), (80, 2770886), (127, 1745440), (160, 1385443), (254, 872720), (508, 436360), (635, 349088), (1016, 218180), (1270, 174544), (2032, 109090), (2540, 87272), (4064, 54545), (5080, 43636), (10160, 21818), (10909, 20320)]