19520480

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{601}}^1$

素因数の和:652

約数の個数: 96

約数和(自身を含む): 54613440

約数和(自身を除く): 35092960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 56, 58, 70, 80, 112, 116, 140, 145, 160, 203, 224, 232, 280, 290, 406, 464, 560, 580, 601, 812, 928, 1015, 1120, 1160, 1202, 1624, 2030, 2320, 2404, 3005, 3248, 4060, 4207, 4640, 4808, 6010, 6496, 8120, 8414, 9616, 12020, 16240, 16828, 17429, 19232, 21035, 24040, 32480, 33656, 34858, 42070, 48080, 67312, 69716, 84140, 87145, 96160, 122003, 134624, 139432, 168280, 174290, 244006, 278864, 336560, 348580, 488012, 557728, 610015, 673120, 697160, 976024, 1220030, 1394320, 1952048, 2440060, 2788640, 3904096, 4880120, 9760240, 19520480]

約数ペア:

[(1, 19520480), (2, 9760240), (4, 4880120), (5, 3904096), (7, 2788640), (8, 2440060), (10, 1952048), (14, 1394320), (16, 1220030), (20, 976024), (28, 697160), (29, 673120), (32, 610015), (35, 557728), (40, 488012), (56, 348580), (58, 336560), (70, 278864), (80, 244006), (112, 174290), (116, 168280), (140, 139432), (145, 134624), (160, 122003), (203, 96160), (224, 87145), (232, 84140), (280, 69716), (290, 67312), (406, 48080), (464, 42070), (560, 34858), (580, 33656), (601, 32480), (812, 24040), (928, 21035), (1015, 19232), (1120, 17429), (1160, 16828), (1202, 16240), (1624, 12020), (2030, 9616), (2320, 8414), (2404, 8120), (3005, 6496), (3248, 6010), (4060, 4808), (4207, 4640)]