20080182520

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{503}}^1\times {\mathrm{16361}}^1$

素因数の和:16936

約数の個数: 64

約数和(自身を含む): 46015179840

約数和(自身を除く): 25934997320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 503, 610, 1006, 1220, 2012, 2440, 2515, 4024, 5030, 10060, 16361, 20120, 30683, 32722, 61366, 65444, 81805, 122732, 130888, 153415, 163610, 245464, 306830, 327220, 613660, 654440, 998021, 1227320, 1996042, 3992084, 4990105, 7984168, 8229583, 9980210, 16459166, 19960420, 32918332, 39920840, 41147915, 65836664, 82295830, 164591660, 329183320, 502004563, 1004009126, 2008018252, 2510022815, 4016036504, 5020045630, 10040091260, 20080182520]

約数ペア:

[(1, 20080182520), (2, 10040091260), (4, 5020045630), (5, 4016036504), (8, 2510022815), (10, 2008018252), (20, 1004009126), (40, 502004563), (61, 329183320), (122, 164591660), (244, 82295830), (305, 65836664), (488, 41147915), (503, 39920840), (610, 32918332), (1006, 19960420), (1220, 16459166), (2012, 9980210), (2440, 8229583), (2515, 7984168), (4024, 4990105), (5030, 3992084), (10060, 1996042), (16361, 1227320), (20120, 998021), (30683, 654440), (32722, 613660), (61366, 327220), (65444, 306830), (81805, 245464), (122732, 163610), (130888, 153415)]