259969280

素因数分解:

$2^8\times 5^1\times {\mathrm{83}}^1\times {\mathrm{2447}}^1$

素因数の和:2551

約数の個数: 72

約数和(自身を含む): 630467712

約数和(自身を除く): 370498432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 83, 128, 160, 166, 256, 320, 332, 415, 640, 664, 830, 1280, 1328, 1660, 2447, 2656, 3320, 4894, 5312, 6640, 9788, 10624, 12235, 13280, 19576, 21248, 24470, 26560, 39152, 48940, 53120, 78304, 97880, 106240, 156608, 195760, 203101, 313216, 391520, 406202, 626432, 783040, 812404, 1015505, 1566080, 1624808, 2031010, 3132160, 3249616, 4062020, 6499232, 8124040, 12998464, 16248080, 25996928, 32496160, 51993856, 64992320, 129984640, 259969280]

約数ペア:

[(1, 259969280), (2, 129984640), (4, 64992320), (5, 51993856), (8, 32496160), (10, 25996928), (16, 16248080), (20, 12998464), (32, 8124040), (40, 6499232), (64, 4062020), (80, 3249616), (83, 3132160), (128, 2031010), (160, 1624808), (166, 1566080), (256, 1015505), (320, 812404), (332, 783040), (415, 626432), (640, 406202), (664, 391520), (830, 313216), (1280, 203101), (1328, 195760), (1660, 156608), (2447, 106240), (2656, 97880), (3320, 78304), (4894, 53120), (5312, 48940), (6640, 39152), (9788, 26560), (10624, 24470), (12235, 21248), (13280, 19576)]