17220640

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2503}}^1$

素因数の和:2561

約数の個数: 48

約数和(自身を含む): 41646528

約数和(自身を除く): 24425888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 2503, 3440, 5006, 6880, 10012, 12515, 20024, 25030, 40048, 50060, 80096, 100120, 107629, 200240, 215258, 400480, 430516, 538145, 861032, 1076290, 1722064, 2152580, 3444128, 4305160, 8610320, 17220640]

約数ペア:

[(1, 17220640), (2, 8610320), (4, 4305160), (5, 3444128), (8, 2152580), (10, 1722064), (16, 1076290), (20, 861032), (32, 538145), (40, 430516), (43, 400480), (80, 215258), (86, 200240), (160, 107629), (172, 100120), (215, 80096), (344, 50060), (430, 40048), (688, 25030), (860, 20024), (1376, 12515), (1720, 10012), (2503, 6880), (3440, 5006)]