80974720

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{5501}}^1$

素因数の和:5543

約数の個数: 64

約数和(自身を含む): 202033440

約数和(自身を除く): 121058720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 320, 368, 460, 640, 736, 920, 1472, 1840, 2944, 3680, 5501, 7360, 11002, 14720, 22004, 27505, 44008, 55010, 88016, 110020, 126523, 176032, 220040, 253046, 352064, 440080, 506092, 632615, 704128, 880160, 1012184, 1265230, 1760320, 2024368, 2530460, 3520640, 4048736, 5060920, 8097472, 10121840, 16194944, 20243680, 40487360, 80974720]

約数ペア:

[(1, 80974720), (2, 40487360), (4, 20243680), (5, 16194944), (8, 10121840), (10, 8097472), (16, 5060920), (20, 4048736), (23, 3520640), (32, 2530460), (40, 2024368), (46, 1760320), (64, 1265230), (80, 1012184), (92, 880160), (115, 704128), (128, 632615), (160, 506092), (184, 440080), (230, 352064), (320, 253046), (368, 220040), (460, 176032), (640, 126523), (736, 110020), (920, 88016), (1472, 55010), (1840, 44008), (2944, 27505), (3680, 22004), (5501, 14720), (7360, 11002)]