512148520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{31771}}^1$

素因数の和:31826

約数の個数: 64

約数和(自身を含む): 1281047040

約数和(自身を除く): 768898520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4030, 8060, 16120, 31771, 63542, 127084, 158855, 254168, 317710, 413023, 635420, 826046, 984901, 1270840, 1652092, 1969802, 2065115, 3304184, 3939604, 4130230, 4924505, 7879208, 8260460, 9849010, 12803713, 16520920, 19698020, 25607426, 39396040, 51214852, 64018565, 102429704, 128037130, 256074260, 512148520]

約数ペア:

[(1, 512148520), (2, 256074260), (4, 128037130), (5, 102429704), (8, 64018565), (10, 51214852), (13, 39396040), (20, 25607426), (26, 19698020), (31, 16520920), (40, 12803713), (52, 9849010), (62, 8260460), (65, 7879208), (104, 4924505), (124, 4130230), (130, 3939604), (155, 3304184), (248, 2065115), (260, 1969802), (310, 1652092), (403, 1270840), (520, 984901), (620, 826046), (806, 635420), (1240, 413023), (1612, 317710), (2015, 254168), (3224, 158855), (4030, 127084), (8060, 63542), (16120, 31771)]