83665280

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4217}}^1$

素因数の和:4267

約数の個数: 64

約数和(自身を含む): 206513280

約数和(自身を除く): 122848000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4217, 4960, 8434, 9920, 16868, 19840, 21085, 33736, 42170, 67472, 84340, 130727, 134944, 168680, 261454, 269888, 337360, 522908, 539776, 653635, 674720, 1045816, 1307270, 1349440, 2091632, 2614540, 2698880, 4183264, 5229080, 8366528, 10458160, 16733056, 20916320, 41832640, 83665280]

約数ペア:

[(1, 83665280), (2, 41832640), (4, 20916320), (5, 16733056), (8, 10458160), (10, 8366528), (16, 5229080), (20, 4183264), (31, 2698880), (32, 2614540), (40, 2091632), (62, 1349440), (64, 1307270), (80, 1045816), (124, 674720), (128, 653635), (155, 539776), (160, 522908), (248, 337360), (310, 269888), (320, 261454), (496, 168680), (620, 134944), (640, 130727), (992, 84340), (1240, 67472), (1984, 42170), (2480, 33736), (3968, 21085), (4217, 19840), (4960, 16868), (8434, 9920)]