40662700

素因数分解:

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

素因数の和:1067

約数の個数: 72

約数和(自身を含む): 98188160

約数和(自身を除く): 57525460

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 31, 50, 52, 62, 65, 100, 124, 130, 155, 260, 310, 325, 403, 620, 650, 775, 806, 1009, 1300, 1550, 1612, 2015, 2018, 3100, 4030, 4036, 5045, 8060, 10075, 10090, 13117, 20150, 20180, 25225, 26234, 31279, 40300, 50450, 52468, 62558, 65585, 100900, 125116, 131170, 156395, 262340, 312790, 327925, 406627, 625580, 655850, 781975, 813254, 1311700, 1563950, 1626508, 2033135, 3127900, 4066270, 8132540, 10165675, 20331350, 40662700]

約数ペア:

[(1, 40662700), (2, 20331350), (4, 10165675), (5, 8132540), (10, 4066270), (13, 3127900), (20, 2033135), (25, 1626508), (26, 1563950), (31, 1311700), (50, 813254), (52, 781975), (62, 655850), (65, 625580), (100, 406627), (124, 327925), (130, 312790), (155, 262340), (260, 156395), (310, 131170), (325, 125116), (403, 100900), (620, 65585), (650, 62558), (775, 52468), (806, 50450), (1009, 40300), (1300, 31279), (1550, 26234), (1612, 25225), (2015, 20180), (2018, 20150), (3100, 13117), (4030, 10090), (4036, 10075), (5045, 8060)]