51180320

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^2\times {\mathrm{173}}^1$

素因数の和:274

約数の個数: 72

約数和(自身を含む): 124506396

約数和(自身を除く): 73326076

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 173, 215, 344, 346, 430, 688, 692, 860, 865, 1376, 1384, 1720, 1730, 1849, 2768, 3440, 3460, 3698, 5536, 6880, 6920, 7396, 7439, 9245, 13840, 14792, 14878, 18490, 27680, 29584, 29756, 36980, 37195, 59168, 59512, 73960, 74390, 119024, 147920, 148780, 238048, 295840, 297560, 319877, 595120, 639754, 1190240, 1279508, 1599385, 2559016, 3198770, 5118032, 6397540, 10236064, 12795080, 25590160, 51180320]

約数ペア:

[(1, 51180320), (2, 25590160), (4, 12795080), (5, 10236064), (8, 6397540), (10, 5118032), (16, 3198770), (20, 2559016), (32, 1599385), (40, 1279508), (43, 1190240), (80, 639754), (86, 595120), (160, 319877), (172, 297560), (173, 295840), (215, 238048), (344, 148780), (346, 147920), (430, 119024), (688, 74390), (692, 73960), (860, 59512), (865, 59168), (1376, 37195), (1384, 36980), (1720, 29756), (1730, 29584), (1849, 27680), (2768, 18490), (3440, 14878), (3460, 14792), (3698, 13840), (5536, 9245), (6880, 7439), (6920, 7396)]