66237820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{271}}^1$

素因数の和:403

約数の個数: 72

約数和(自身を含む): 154977984

約数和(自身を除く): 88740164

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 121, 202, 220, 242, 271, 404, 484, 505, 542, 605, 1010, 1084, 1111, 1210, 1355, 2020, 2222, 2420, 2710, 2981, 4444, 5420, 5555, 5962, 11110, 11924, 12221, 14905, 22220, 24442, 27371, 29810, 32791, 48884, 54742, 59620, 61105, 65582, 109484, 122210, 131164, 136855, 163955, 244420, 273710, 301081, 327910, 547420, 602162, 655820, 1204324, 1505405, 3010810, 3311891, 6021620, 6623782, 13247564, 16559455, 33118910, 66237820]

約数ペア:

[(1, 66237820), (2, 33118910), (4, 16559455), (5, 13247564), (10, 6623782), (11, 6021620), (20, 3311891), (22, 3010810), (44, 1505405), (55, 1204324), (101, 655820), (110, 602162), (121, 547420), (202, 327910), (220, 301081), (242, 273710), (271, 244420), (404, 163955), (484, 136855), (505, 131164), (542, 122210), (605, 109484), (1010, 65582), (1084, 61105), (1111, 59620), (1210, 54742), (1355, 48884), (2020, 32791), (2222, 29810), (2420, 27371), (2710, 24442), (2981, 22220), (4444, 14905), (5420, 12221), (5555, 11924), (5962, 11110)]