28519480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{64817}}^1$

素因数の和:64839

約数の個数: 32

約数和(自身を含む): 70003440

約数和(自身を除く): 41483960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 64817, 129634, 259268, 324085, 518536, 648170, 712987, 1296340, 1425974, 2592680, 2851948, 3564935, 5703896, 7129870, 14259740, 28519480]

約数ペア:

[(1, 28519480), (2, 14259740), (4, 7129870), (5, 5703896), (8, 3564935), (10, 2851948), (11, 2592680), (20, 1425974), (22, 1296340), (40, 712987), (44, 648170), (55, 518536), (88, 324085), (110, 259268), (220, 129634), (440, 64817)]