61717720

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{23029}}^1$

素因数の和:23107

約数の個数: 32

約数和(自身を含む): 140943600

約数和(自身を除く): 79225880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 23029, 46058, 92116, 115145, 184232, 230290, 460580, 921160, 1542943, 3085886, 6171772, 7714715, 12343544, 15429430, 30858860, 61717720]

約数ペア:

[(1, 61717720), (2, 30858860), (4, 15429430), (5, 12343544), (8, 7714715), (10, 6171772), (20, 3085886), (40, 1542943), (67, 921160), (134, 460580), (268, 230290), (335, 184232), (536, 115145), (670, 92116), (1340, 46058), (2680, 23029)]