78780410

素因数分解:

$2^1\times 5^1\times {\mathrm{521}}^1\times {\mathrm{15121}}^1$

素因数の和:15649

約数の個数: 16

約数和(自身を含む): 142086312

約数和(自身を除く): 63305902

約数列:

[1, 2, 5, 10, 521, 1042, 2605, 5210, 15121, 30242, 75605, 151210, 7878041, 15756082, 39390205, 78780410]

約数ペア:

[(1, 78780410), (2, 39390205), (5, 15756082), (10, 7878041), (521, 151210), (1042, 75605), (2605, 30242), (5210, 15121)]