22019440

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:266

約数の個数: 80

約数和(自身を含む): 54112608

約数和(自身を除く): 32093168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 43, 74, 80, 86, 148, 172, 173, 185, 215, 296, 344, 346, 370, 430, 592, 688, 692, 740, 860, 865, 1384, 1480, 1591, 1720, 1730, 2768, 2960, 3182, 3440, 3460, 6364, 6401, 6920, 7439, 7955, 12728, 12802, 13840, 14878, 15910, 25456, 25604, 29756, 31820, 32005, 37195, 51208, 59512, 63640, 64010, 74390, 102416, 119024, 127280, 128020, 148780, 256040, 275243, 297560, 512080, 550486, 595120, 1100972, 1376215, 2201944, 2752430, 4403888, 5504860, 11009720, 22019440]

約数ペア:

[(1, 22019440), (2, 11009720), (4, 5504860), (5, 4403888), (8, 2752430), (10, 2201944), (16, 1376215), (20, 1100972), (37, 595120), (40, 550486), (43, 512080), (74, 297560), (80, 275243), (86, 256040), (148, 148780), (172, 128020), (173, 127280), (185, 119024), (215, 102416), (296, 74390), (344, 64010), (346, 63640), (370, 59512), (430, 51208), (592, 37195), (688, 32005), (692, 31820), (740, 29756), (860, 25604), (865, 25456), (1384, 15910), (1480, 14878), (1591, 13840), (1720, 12802), (1730, 12728), (2768, 7955), (2960, 7439), (3182, 6920), (3440, 6401), (3460, 6364)]