85727720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{4021}}^1$

素因数の和:4086

約数の個数: 64

約数和(自身を含む): 212844240

約数和(自身を除く): 127116520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 52, 65, 82, 104, 130, 164, 205, 260, 328, 410, 520, 533, 820, 1066, 1640, 2132, 2665, 4021, 4264, 5330, 8042, 10660, 16084, 20105, 21320, 32168, 40210, 52273, 80420, 104546, 160840, 164861, 209092, 261365, 329722, 418184, 522730, 659444, 824305, 1045460, 1318888, 1648610, 2090920, 2143193, 3297220, 4286386, 6594440, 8572772, 10715965, 17145544, 21431930, 42863860, 85727720]

約数ペア:

[(1, 85727720), (2, 42863860), (4, 21431930), (5, 17145544), (8, 10715965), (10, 8572772), (13, 6594440), (20, 4286386), (26, 3297220), (40, 2143193), (41, 2090920), (52, 1648610), (65, 1318888), (82, 1045460), (104, 824305), (130, 659444), (164, 522730), (205, 418184), (260, 329722), (328, 261365), (410, 209092), (520, 164861), (533, 160840), (820, 104546), (1066, 80420), (1640, 52273), (2132, 40210), (2665, 32168), (4021, 21320), (4264, 20105), (5330, 16084), (8042, 10660)]