55576940

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{31223}}^1$

素因数の和:31321

約数の個数: 24

約数和(自身を含む): 118026720

約数和(自身を除く): 62449780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 31223, 62446, 124892, 156115, 312230, 624460, 2778847, 5557694, 11115388, 13894235, 27788470, 55576940]

約数ペア:

[(1, 55576940), (2, 27788470), (4, 13894235), (5, 11115388), (10, 5557694), (20, 2778847), (89, 624460), (178, 312230), (356, 156115), (445, 124892), (890, 62446), (1780, 31223)]