89490920

素因数分解:

$2^3\times 5^1\times {\mathrm{269}}^1\times {\mathrm{8317}}^1$

素因数の和:8597

約数の個数: 32

約数和(自身を含む): 202127400

約数和(自身を除く): 112636480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 269, 538, 1076, 1345, 2152, 2690, 5380, 8317, 10760, 16634, 33268, 41585, 66536, 83170, 166340, 332680, 2237273, 4474546, 8949092, 11186365, 17898184, 22372730, 44745460, 89490920]

約数ペア:

[(1, 89490920), (2, 44745460), (4, 22372730), (5, 17898184), (8, 11186365), (10, 8949092), (20, 4474546), (40, 2237273), (269, 332680), (538, 166340), (1076, 83170), (1345, 66536), (2152, 41585), (2690, 33268), (5380, 16634), (8317, 10760)]