25707920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1583}}^1$

素因数の和:1632

約数の個数: 80

約数和(自身を含む): 70709760

約数和(自身を除く): 45001840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 56, 58, 70, 80, 112, 116, 140, 145, 203, 232, 280, 290, 406, 464, 560, 580, 812, 1015, 1160, 1583, 1624, 2030, 2320, 3166, 3248, 4060, 6332, 7915, 8120, 11081, 12664, 15830, 16240, 22162, 25328, 31660, 44324, 45907, 55405, 63320, 88648, 91814, 110810, 126640, 177296, 183628, 221620, 229535, 321349, 367256, 443240, 459070, 642698, 734512, 886480, 918140, 1285396, 1606745, 1836280, 2570792, 3213490, 3672560, 5141584, 6426980, 12853960, 25707920]

約数ペア:

[(1, 25707920), (2, 12853960), (4, 6426980), (5, 5141584), (7, 3672560), (8, 3213490), (10, 2570792), (14, 1836280), (16, 1606745), (20, 1285396), (28, 918140), (29, 886480), (35, 734512), (40, 642698), (56, 459070), (58, 443240), (70, 367256), (80, 321349), (112, 229535), (116, 221620), (140, 183628), (145, 177296), (203, 126640), (232, 110810), (280, 91814), (290, 88648), (406, 63320), (464, 55405), (560, 45907), (580, 44324), (812, 31660), (1015, 25328), (1160, 22162), (1583, 16240), (1624, 15830), (2030, 12664), (2320, 11081), (3166, 8120), (3248, 7915), (4060, 6332)]