65945660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{6971}}^1$

素因数の和:7034

約数の個数: 48

約数和(自身を含む): 154611072

約数和(自身を除く): 88665412

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 1892, 2365, 4730, 6971, 9460, 13942, 27884, 34855, 69710, 76681, 139420, 153362, 299753, 306724, 383405, 599506, 766810, 1199012, 1498765, 1533620, 2997530, 3297283, 5995060, 6594566, 13189132, 16486415, 32972830, 65945660]

約数ペア:

[(1, 65945660), (2, 32972830), (4, 16486415), (5, 13189132), (10, 6594566), (11, 5995060), (20, 3297283), (22, 2997530), (43, 1533620), (44, 1498765), (55, 1199012), (86, 766810), (110, 599506), (172, 383405), (215, 306724), (220, 299753), (430, 153362), (473, 139420), (860, 76681), (946, 69710), (1892, 34855), (2365, 27884), (4730, 13942), (6971, 9460)]