51643120

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1$

素因数の和:362

約数の個数: 80

約数和(自身を含む): 125527680

約数和(自身を除く): 73884560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 73, 74, 80, 146, 148, 185, 239, 292, 296, 365, 370, 478, 584, 592, 730, 740, 956, 1168, 1195, 1460, 1480, 1912, 2390, 2701, 2920, 2960, 3824, 4780, 5402, 5840, 8843, 9560, 10804, 13505, 17447, 17686, 19120, 21608, 27010, 34894, 35372, 43216, 44215, 54020, 69788, 70744, 87235, 88430, 108040, 139576, 141488, 174470, 176860, 216080, 279152, 348940, 353720, 645539, 697880, 707440, 1291078, 1395760, 2582156, 3227695, 5164312, 6455390, 10328624, 12910780, 25821560, 51643120]

約数ペア:

[(1, 51643120), (2, 25821560), (4, 12910780), (5, 10328624), (8, 6455390), (10, 5164312), (16, 3227695), (20, 2582156), (37, 1395760), (40, 1291078), (73, 707440), (74, 697880), (80, 645539), (146, 353720), (148, 348940), (185, 279152), (239, 216080), (292, 176860), (296, 174470), (365, 141488), (370, 139576), (478, 108040), (584, 88430), (592, 87235), (730, 70744), (740, 69788), (956, 54020), (1168, 44215), (1195, 43216), (1460, 35372), (1480, 34894), (1912, 27010), (2390, 21608), (2701, 19120), (2920, 17686), (2960, 17447), (3824, 13505), (4780, 10804), (5402, 9560), (5840, 8843)]