61128400

素因数分解:

$2^4\times 5^2\times {\mathrm{152821}}^1$

素因数の和:152839

約数の個数: 30

約数和(自身を含む): 146861942

約数和(自身を除く): 85733542

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 152821, 305642, 611284, 764105, 1222568, 1528210, 2445136, 3056420, 3820525, 6112840, 7641050, 12225680, 15282100, 30564200, 61128400]

約数ペア:

[(1, 61128400), (2, 30564200), (4, 15282100), (5, 12225680), (8, 7641050), (10, 6112840), (16, 3820525), (20, 3056420), (25, 2445136), (40, 1528210), (50, 1222568), (80, 764105), (100, 611284), (200, 305642), (400, 152821)]