1222198280

素因数分解:

$2^3\times 5^1\times {\mathrm{5407}}^1\times {\mathrm{5651}}^1$

素因数の和:11069

約数の個数: 32

約数和(自身を含む): 2750941440

約数和(自身を除く): 1528743160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5407, 5651, 10814, 11302, 21628, 22604, 27035, 28255, 43256, 45208, 54070, 56510, 108140, 113020, 216280, 226040, 30554957, 61109914, 122219828, 152774785, 244439656, 305549570, 611099140, 1222198280]

約数ペア:

[(1, 1222198280), (2, 611099140), (4, 305549570), (5, 244439656), (8, 152774785), (10, 122219828), (20, 61109914), (40, 30554957), (5407, 226040), (5651, 216280), (10814, 113020), (11302, 108140), (21628, 56510), (22604, 54070), (27035, 45208), (28255, 43256)]