39523240

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{21023}}^1$

素因数の和:21081

約数の個数: 32

約数和(自身を含む): 90823680

約数和(自身を除く): 51300440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 21023, 42046, 84092, 105115, 168184, 210230, 420460, 840920, 988081, 1976162, 3952324, 4940405, 7904648, 9880810, 19761620, 39523240]

約数ペア:

[(1, 39523240), (2, 19761620), (4, 9880810), (5, 7904648), (8, 4940405), (10, 3952324), (20, 1976162), (40, 988081), (47, 840920), (94, 420460), (188, 210230), (235, 168184), (376, 105115), (470, 84092), (940, 42046), (1880, 21023)]