4223750

素因数分解:

$2^1\times 5^4\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:162

約数の個数: 40

約数和(自身を含む): 8247360

約数和(自身を除く): 4023610

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 109, 125, 155, 218, 250, 310, 545, 625, 775, 1090, 1250, 1550, 2725, 3379, 3875, 5450, 6758, 7750, 13625, 16895, 19375, 27250, 33790, 38750, 68125, 84475, 136250, 168950, 422375, 844750, 2111875, 4223750]

約数ペア:

[(1, 4223750), (2, 2111875), (5, 844750), (10, 422375), (25, 168950), (31, 136250), (50, 84475), (62, 68125), (109, 38750), (125, 33790), (155, 27250), (218, 19375), (250, 16895), (310, 13625), (545, 7750), (625, 6758), (775, 5450), (1090, 3875), (1250, 3379), (1550, 2725)]