8444840

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3461}}^1$

素因数の和:3533

約数の個数: 32

約数和(自身を含む): 19317960

約数和(自身を除く): 10873120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 3461, 6922, 13844, 17305, 27688, 34610, 69220, 138440, 211121, 422242, 844484, 1055605, 1688968, 2111210, 4222420, 8444840]

約数ペア:

[(1, 8444840), (2, 4222420), (4, 2111210), (5, 1688968), (8, 1055605), (10, 844484), (20, 422242), (40, 211121), (61, 138440), (122, 69220), (244, 34610), (305, 27688), (488, 17305), (610, 13844), (1220, 6922), (2440, 3461)]