61783240

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{25321}}^1$

素因数の和:25393

約数の個数: 32

約数和(自身を含む): 141296760

約数和(自身を除く): 79513520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 25321, 50642, 101284, 126605, 202568, 253210, 506420, 1012840, 1544581, 3089162, 6178324, 7722905, 12356648, 15445810, 30891620, 61783240]

約数ペア:

[(1, 61783240), (2, 30891620), (4, 15445810), (5, 12356648), (8, 7722905), (10, 6178324), (20, 3089162), (40, 1544581), (61, 1012840), (122, 506420), (244, 253210), (305, 202568), (488, 126605), (610, 101284), (1220, 50642), (2440, 25321)]