128095600

素因数分解:

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

素因数の和:320257

約数の個数: 30

約数和(自身を含む): 307750640

約数和(自身を除く): 179655040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 320239, 640478, 1280956, 1601195, 2561912, 3202390, 5123824, 6404780, 8005975, 12809560, 16011950, 25619120, 32023900, 64047800, 128095600]

約数ペア:

[(1, 128095600), (2, 64047800), (4, 32023900), (5, 25619120), (8, 16011950), (10, 12809560), (16, 8005975), (20, 6404780), (25, 5123824), (40, 3202390), (50, 2561912), (80, 1601195), (100, 1280956), (200, 640478), (400, 320239)]