25128320

素因数分解:

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

素因数の和:176

約数の個数: 128

約数和(自身を含む): 70502400

約数和(自身を除く): 45374080

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, 280, 284, 316, 320, 355, 395, 448, 497, 553, 560, 568, 632, 640, 710, 790, 896, 994, 1106, 1120, 1136, 1264, 1420, 1580, 1988, 2212, 2240, 2272, 2485, 2528, 2765, 2840, 3160, 3976, 4424, 4480, 4544, 4970, 5056, 5530, 5609, 5680, 6320, 7952, 8848, 9088, 9940, 10112, 11060, 11218, 11360, 12640, 15904, 17696, 19880, 22120, 22436, 22720, 25280, 28045, 31808, 35392, 39263, 39760, 44240, 44872, 45440, 50560, 56090, 63616, 70784, 78526, 79520, 88480, 89744, 112180, 157052, 159040, 176960, 179488, 196315, 224360, 314104, 318080, 353920, 358976, 392630, 448720, 628208, 717952, 785260, 897440, 1256416, 1570520, 1794880, 2512832, 3141040, 3589760, 5025664, 6282080, 12564160, 25128320]

約数ペア:

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