28457500

素因数分解:

$2^2\times 5^4\times {\mathrm{11383}}^1$

素因数の和:11407

約数の個数: 30

約数和(自身を含む): 62236328

約数和(自身を除く): 33778828

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, 2500, 11383, 22766, 45532, 56915, 113830, 227660, 284575, 569150, 1138300, 1422875, 2845750, 5691500, 7114375, 14228750, 28457500]

約数ペア:

[(1, 28457500), (2, 14228750), (4, 7114375), (5, 5691500), (10, 2845750), (20, 1422875), (25, 1138300), (50, 569150), (100, 284575), (125, 227660), (250, 113830), (500, 56915), (625, 45532), (1250, 22766), (2500, 11383)]