40028900

素因数分解:

$2^2\times 5^2\times {\mathrm{613}}^1\times {\mathrm{653}}^1$

素因数の和:1280

約数の個数: 36

約数和(自身を含む): 87137652

約数和(自身を除く): 47108752

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 613, 653, 1226, 1306, 2452, 2612, 3065, 3265, 6130, 6530, 12260, 13060, 15325, 16325, 30650, 32650, 61300, 65300, 400289, 800578, 1601156, 2001445, 4002890, 8005780, 10007225, 20014450, 40028900]

約数ペア:

[(1, 40028900), (2, 20014450), (4, 10007225), (5, 8005780), (10, 4002890), (20, 2001445), (25, 1601156), (50, 800578), (100, 400289), (613, 65300), (653, 61300), (1226, 32650), (1306, 30650), (2452, 16325), (2612, 15325), (3065, 13060), (3265, 12260), (6130, 6530)]