90936760

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{8389}}^1$

素因数の和:8671

約数の個数: 32

約数和(自身を含む): 205387200

約数和(自身を除く): 114450440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 1084, 1355, 2168, 2710, 5420, 8389, 10840, 16778, 33556, 41945, 67112, 83890, 167780, 335560, 2273419, 4546838, 9093676, 11367095, 18187352, 22734190, 45468380, 90936760]

約数ペア:

[(1, 90936760), (2, 45468380), (4, 22734190), (5, 18187352), (8, 11367095), (10, 9093676), (20, 4546838), (40, 2273419), (271, 335560), (542, 167780), (1084, 83890), (1355, 67112), (2168, 41945), (2710, 33556), (5420, 16778), (8389, 10840)]