2015056420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{250007}}^1$

素因数の和:250060

約数の個数: 48

約数和(自身を含む): 4704150528

約数和(自身を除く): 2689094108

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 250007, 500014, 1000028, 1250035, 2500070, 3250091, 5000140, 6500182, 7750217, 13000364, 15500434, 16250455, 31000868, 32500910, 38751085, 65001820, 77502170, 100752821, 155004340, 201505642, 403011284, 503764105, 1007528210, 2015056420]

約数ペア:

[(1, 2015056420), (2, 1007528210), (4, 503764105), (5, 403011284), (10, 201505642), (13, 155004340), (20, 100752821), (26, 77502170), (31, 65001820), (52, 38751085), (62, 32500910), (65, 31000868), (124, 16250455), (130, 15500434), (155, 13000364), (260, 7750217), (310, 6500182), (403, 5000140), (620, 3250091), (806, 2500070), (1612, 1250035), (2015, 1000028), (4030, 500014), (8060, 250007)]