50256640

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:178

約数の個数: 144

約数和(自身を含む): 141281280

約数和(自身を除く): 91024640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 71, 79, 80, 112, 128, 140, 142, 158, 160, 224, 256, 280, 284, 316, 320, 355, 395, 448, 497, 553, 560, 568, 632, 640, 710, 790, 896, 994, 1106, 1120, 1136, 1264, 1280, 1420, 1580, 1792, 1988, 2212, 2240, 2272, 2485, 2528, 2765, 2840, 3160, 3976, 4424, 4480, 4544, 4970, 5056, 5530, 5609, 5680, 6320, 7952, 8848, 8960, 9088, 9940, 10112, 11060, 11218, 11360, 12640, 15904, 17696, 18176, 19880, 20224, 22120, 22436, 22720, 25280, 28045, 31808, 35392, 39263, 39760, 44240, 44872, 45440, 50560, 56090, 63616, 70784, 78526, 79520, 88480, 89744, 90880, 101120, 112180, 127232, 141568, 157052, 159040, 176960, 179488, 196315, 224360, 314104, 318080, 353920, 358976, 392630, 448720, 628208, 636160, 707840, 717952, 785260, 897440, 1256416, 1435904, 1570520, 1794880, 2512832, 3141040, 3589760, 5025664, 6282080, 7179520, 10051328, 12564160, 25128320, 50256640]

約数ペア:

[(1, 50256640), (2, 25128320), (4, 12564160), (5, 10051328), (7, 7179520), (8, 6282080), (10, 5025664), (14, 3589760), (16, 3141040), (20, 2512832), (28, 1794880), (32, 1570520), (35, 1435904), (40, 1256416), (56, 897440), (64, 785260), (70, 717952), (71, 707840), (79, 636160), (80, 628208), (112, 448720), (128, 392630), (140, 358976), (142, 353920), (158, 318080), (160, 314104), (224, 224360), (256, 196315), (280, 179488), (284, 176960), (316, 159040), (320, 157052), (355, 141568), (395, 127232), (448, 112180), (497, 101120), (553, 90880), (560, 89744), (568, 88480), (632, 79520), (640, 78526), (710, 70784), (790, 63616), (896, 56090), (994, 50560), (1106, 45440), (1120, 44872), (1136, 44240), (1264, 39760), (1280, 39263), (1420, 35392), (1580, 31808), (1792, 28045), (1988, 25280), (2212, 22720), (2240, 22436), (2272, 22120), (2485, 20224), (2528, 19880), (2765, 18176), (2840, 17696), (3160, 15904), (3976, 12640), (4424, 11360), (4480, 11218), (4544, 11060), (4970, 10112), (5056, 9940), (5530, 9088), (5609, 8960), (5680, 8848), (6320, 7952)]