39925210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{9907}}^1$

素因数の和:9958

約数の個数: 32

約数和(自身を含む): 79898112

約数和(自身を除く): 39972902

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 9907, 19814, 49535, 99070, 128791, 257582, 307117, 614234, 643955, 1287910, 1535585, 3071170, 3992521, 7985042, 19962605, 39925210]

約数ペア:

[(1, 39925210), (2, 19962605), (5, 7985042), (10, 3992521), (13, 3071170), (26, 1535585), (31, 1287910), (62, 643955), (65, 614234), (130, 307117), (155, 257582), (310, 128791), (403, 99070), (806, 49535), (2015, 19814), (4030, 9907)]