8609660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 19286400

約数和(自身を除く): 10676740

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 139, 163, 190, 278, 326, 380, 556, 652, 695, 815, 1390, 1630, 2641, 2780, 3097, 3260, 5282, 6194, 10564, 12388, 13205, 15485, 22657, 26410, 30970, 45314, 52820, 61940, 90628, 113285, 226570, 430483, 453140, 860966, 1721932, 2152415, 4304830, 8609660]

約数ペア:

[(1, 8609660), (2, 4304830), (4, 2152415), (5, 1721932), (10, 860966), (19, 453140), (20, 430483), (38, 226570), (76, 113285), (95, 90628), (139, 61940), (163, 52820), (190, 45314), (278, 30970), (326, 26410), (380, 22657), (556, 15485), (652, 13205), (695, 12388), (815, 10564), (1390, 6194), (1630, 5282), (2641, 3260), (2780, 3097)]