90492680

素因数分解:

$2^3\times 5^1\times {\mathrm{479}}^1\times {\mathrm{4723}}^1$

素因数の和:5213

約数の個数: 32

約数和(自身を含む): 204076800

約数和(自身を除く): 113584120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 479, 958, 1916, 2395, 3832, 4723, 4790, 9446, 9580, 18892, 19160, 23615, 37784, 47230, 94460, 188920, 2262317, 4524634, 9049268, 11311585, 18098536, 22623170, 45246340, 90492680]

約数ペア:

[(1, 90492680), (2, 45246340), (4, 22623170), (5, 18098536), (8, 11311585), (10, 9049268), (20, 4524634), (40, 2262317), (479, 188920), (958, 94460), (1916, 47230), (2395, 37784), (3832, 23615), (4723, 19160), (4790, 18892), (9446, 9580)]