81325400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1009}}^1$

素因数の和:1069

約数の個数: 96

約数和(自身を含む): 210403200

約数和(自身を除く): 129077800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 31, 40, 50, 52, 62, 65, 100, 104, 124, 130, 155, 200, 248, 260, 310, 325, 403, 520, 620, 650, 775, 806, 1009, 1240, 1300, 1550, 1612, 2015, 2018, 2600, 3100, 3224, 4030, 4036, 5045, 6200, 8060, 8072, 10075, 10090, 13117, 16120, 20150, 20180, 25225, 26234, 31279, 40300, 40360, 50450, 52468, 62558, 65585, 80600, 100900, 104936, 125116, 131170, 156395, 201800, 250232, 262340, 312790, 327925, 406627, 524680, 625580, 655850, 781975, 813254, 1251160, 1311700, 1563950, 1626508, 2033135, 2623400, 3127900, 3253016, 4066270, 6255800, 8132540, 10165675, 16265080, 20331350, 40662700, 81325400]

約数ペア:

[(1, 81325400), (2, 40662700), (4, 20331350), (5, 16265080), (8, 10165675), (10, 8132540), (13, 6255800), (20, 4066270), (25, 3253016), (26, 3127900), (31, 2623400), (40, 2033135), (50, 1626508), (52, 1563950), (62, 1311700), (65, 1251160), (100, 813254), (104, 781975), (124, 655850), (130, 625580), (155, 524680), (200, 406627), (248, 327925), (260, 312790), (310, 262340), (325, 250232), (403, 201800), (520, 156395), (620, 131170), (650, 125116), (775, 104936), (806, 100900), (1009, 80600), (1240, 65585), (1300, 62558), (1550, 52468), (1612, 50450), (2015, 40360), (2018, 40300), (2600, 31279), (3100, 26234), (3224, 25225), (4030, 20180), (4036, 20150), (5045, 16120), (6200, 13117), (8060, 10090), (8072, 10075)]