122783240

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{50321}}^1$

素因数の和:50393

約数の個数: 32

約数和(自身を含む): 280796760

約数和(自身を除く): 158013520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 50321, 100642, 201284, 251605, 402568, 503210, 1006420, 2012840, 3069581, 6139162, 12278324, 15347905, 24556648, 30695810, 61391620, 122783240]

約数ペア:

[(1, 122783240), (2, 61391620), (4, 30695810), (5, 24556648), (8, 15347905), (10, 12278324), (20, 6139162), (40, 3069581), (61, 2012840), (122, 1006420), (244, 503210), (305, 402568), (488, 251605), (610, 201284), (1220, 100642), (2440, 50321)]