64970420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2437}}^1$

素因数の和:2520

約数の個数: 48

約数和(自身を含む): 144173568

約数和(自身を除く): 79203148

約数列:

[1, 2, 4, 5, 10, 20, 31, 43, 62, 86, 124, 155, 172, 215, 310, 430, 620, 860, 1333, 2437, 2666, 4874, 5332, 6665, 9748, 12185, 13330, 24370, 26660, 48740, 75547, 104791, 151094, 209582, 302188, 377735, 419164, 523955, 755470, 1047910, 1510940, 2095820, 3248521, 6497042, 12994084, 16242605, 32485210, 64970420]

約数ペア:

[(1, 64970420), (2, 32485210), (4, 16242605), (5, 12994084), (10, 6497042), (20, 3248521), (31, 2095820), (43, 1510940), (62, 1047910), (86, 755470), (124, 523955), (155, 419164), (172, 377735), (215, 302188), (310, 209582), (430, 151094), (620, 104791), (860, 75547), (1333, 48740), (2437, 26660), (2666, 24370), (4874, 13330), (5332, 12185), (6665, 9748)]