1661565100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{12409}}^1$

素因数の和:12539

約数の個数: 72

約数和(自身を含む): 3920964320

約数和(自身を除く): 2259399220

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 103, 130, 206, 260, 325, 412, 515, 650, 1030, 1300, 1339, 2060, 2575, 2678, 5150, 5356, 6695, 10300, 12409, 13390, 24818, 26780, 33475, 49636, 62045, 66950, 124090, 133900, 161317, 248180, 310225, 322634, 620450, 645268, 806585, 1240900, 1278127, 1613170, 2556254, 3226340, 4032925, 5112508, 6390635, 8065850, 12781270, 16131700, 16615651, 25562540, 31953175, 33231302, 63906350, 66462604, 83078255, 127812700, 166156510, 332313020, 415391275, 830782550, 1661565100]

約数ペア:

[(1, 1661565100), (2, 830782550), (4, 415391275), (5, 332313020), (10, 166156510), (13, 127812700), (20, 83078255), (25, 66462604), (26, 63906350), (50, 33231302), (52, 31953175), (65, 25562540), (100, 16615651), (103, 16131700), (130, 12781270), (206, 8065850), (260, 6390635), (325, 5112508), (412, 4032925), (515, 3226340), (650, 2556254), (1030, 1613170), (1300, 1278127), (1339, 1240900), (2060, 806585), (2575, 645268), (2678, 620450), (5150, 322634), (5356, 310225), (6695, 248180), (10300, 161317), (12409, 133900), (13390, 124090), (24818, 66950), (26780, 62045), (33475, 49636)]