25619120

素因数分解:

$2^4\times 5^1\times {\mathrm{320239}}^1$

素因数の和:320252

約数の個数: 20

約数和(自身を含む): 59564640

約数和(自身を除く): 33945520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 320239, 640478, 1280956, 1601195, 2561912, 3202390, 5123824, 6404780, 12809560, 25619120]

約数ペア:

[(1, 25619120), (2, 12809560), (4, 6404780), (5, 5123824), (8, 3202390), (10, 2561912), (16, 1601195), (20, 1280956), (40, 640478), (80, 320239)]