8725760

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{401}}^1$

素因数の和:439

約数の個数: 72

約数和(自身を含む): 22185576

約数和(自身を除く): 13459816

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 401, 544, 640, 680, 802, 1088, 1280, 1360, 1604, 2005, 2176, 2720, 3208, 4010, 4352, 5440, 6416, 6817, 8020, 10880, 12832, 13634, 16040, 21760, 25664, 27268, 32080, 34085, 51328, 54536, 64160, 68170, 102656, 109072, 128320, 136340, 218144, 256640, 272680, 436288, 513280, 545360, 872576, 1090720, 1745152, 2181440, 4362880, 8725760]

約数ペア:

[(1, 8725760), (2, 4362880), (4, 2181440), (5, 1745152), (8, 1090720), (10, 872576), (16, 545360), (17, 513280), (20, 436288), (32, 272680), (34, 256640), (40, 218144), (64, 136340), (68, 128320), (80, 109072), (85, 102656), (128, 68170), (136, 64160), (160, 54536), (170, 51328), (256, 34085), (272, 32080), (320, 27268), (340, 25664), (401, 21760), (544, 16040), (640, 13634), (680, 12832), (802, 10880), (1088, 8020), (1280, 6817), (1360, 6416), (1604, 5440), (2005, 4352), (2176, 4010), (2720, 3208)]