61991240

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{12203}}^1$

素因数の和:12341

約数の個数: 32

約数和(自身を含む): 140590080

約数和(自身を除く): 78598840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 12203, 24406, 48812, 61015, 97624, 122030, 244060, 488120, 1549781, 3099562, 6199124, 7748905, 12398248, 15497810, 30995620, 61991240]

約数ペア:

[(1, 61991240), (2, 30995620), (4, 15497810), (5, 12398248), (8, 7748905), (10, 6199124), (20, 3099562), (40, 1549781), (127, 488120), (254, 244060), (508, 122030), (635, 97624), (1016, 61015), (1270, 48812), (2540, 24406), (5080, 12203)]