7974520

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{2731}}^1$

素因数の和:2815

約数の個数: 32

約数和(自身を含む): 18195120

約数和(自身を除く): 10220600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2731, 2920, 5462, 10924, 13655, 21848, 27310, 54620, 109240, 199363, 398726, 797452, 996815, 1594904, 1993630, 3987260, 7974520]

約数ペア:

[(1, 7974520), (2, 3987260), (4, 1993630), (5, 1594904), (8, 996815), (10, 797452), (20, 398726), (40, 199363), (73, 109240), (146, 54620), (292, 27310), (365, 21848), (584, 13655), (730, 10924), (1460, 5462), (2731, 2920)]