16364080

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:194

約数の個数: 80

約数和(自身を含む): 40068864

約数和(自身を除く): 23704784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 67, 71, 80, 86, 134, 142, 172, 215, 268, 284, 335, 344, 355, 430, 536, 568, 670, 688, 710, 860, 1072, 1136, 1340, 1420, 1720, 2680, 2840, 2881, 3053, 3440, 4757, 5360, 5680, 5762, 6106, 9514, 11524, 12212, 14405, 15265, 19028, 23048, 23785, 24424, 28810, 30530, 38056, 46096, 47570, 48848, 57620, 61060, 76112, 95140, 115240, 122120, 190280, 204551, 230480, 244240, 380560, 409102, 818204, 1022755, 1636408, 2045510, 3272816, 4091020, 8182040, 16364080]

約数ペア:

[(1, 16364080), (2, 8182040), (4, 4091020), (5, 3272816), (8, 2045510), (10, 1636408), (16, 1022755), (20, 818204), (40, 409102), (43, 380560), (67, 244240), (71, 230480), (80, 204551), (86, 190280), (134, 122120), (142, 115240), (172, 95140), (215, 76112), (268, 61060), (284, 57620), (335, 48848), (344, 47570), (355, 46096), (430, 38056), (536, 30530), (568, 28810), (670, 24424), (688, 23785), (710, 23048), (860, 19028), (1072, 15265), (1136, 14405), (1340, 12212), (1420, 11524), (1720, 9514), (2680, 6106), (2840, 5762), (2881, 5680), (3053, 5360), (3440, 4757)]