85304840

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{34961}}^1$

素因数の和:35033

約数の個数: 32

約数和(自身を含む): 195087960

約数和(自身を除く): 109783120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 34961, 69922, 139844, 174805, 279688, 349610, 699220, 1398440, 2132621, 4265242, 8530484, 10663105, 17060968, 21326210, 42652420, 85304840]

約数ペア:

[(1, 85304840), (2, 42652420), (4, 21326210), (5, 17060968), (8, 10663105), (10, 8530484), (20, 4265242), (40, 2132621), (61, 1398440), (122, 699220), (244, 349610), (305, 279688), (488, 174805), (610, 139844), (1220, 69922), (2440, 34961)]