68081000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{5237}}^1$

素因数の和:5271

約数の個数: 64

約数和(自身を含む): 171596880

約数和(自身を除く): 103515880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 125, 130, 200, 250, 260, 325, 500, 520, 650, 1000, 1300, 1625, 2600, 3250, 5237, 6500, 10474, 13000, 20948, 26185, 41896, 52370, 68081, 104740, 130925, 136162, 209480, 261850, 272324, 340405, 523700, 544648, 654625, 680810, 1047400, 1309250, 1361620, 1702025, 2618500, 2723240, 3404050, 5237000, 6808100, 8510125, 13616200, 17020250, 34040500, 68081000]

約数ペア:

[(1, 68081000), (2, 34040500), (4, 17020250), (5, 13616200), (8, 8510125), (10, 6808100), (13, 5237000), (20, 3404050), (25, 2723240), (26, 2618500), (40, 1702025), (50, 1361620), (52, 1309250), (65, 1047400), (100, 680810), (104, 654625), (125, 544648), (130, 523700), (200, 340405), (250, 272324), (260, 261850), (325, 209480), (500, 136162), (520, 130925), (650, 104740), (1000, 68081), (1300, 52370), (1625, 41896), (2600, 26185), (3250, 20948), (5237, 13000), (6500, 10474)]