257536240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{8539}}^1$

素因数の和:8594

約数の個数: 80

約数和(自身を含む): 667144800

約数和(自身を除く): 409608560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 40, 52, 58, 65, 80, 104, 116, 130, 145, 208, 232, 260, 290, 377, 464, 520, 580, 754, 1040, 1160, 1508, 1885, 2320, 3016, 3770, 6032, 7540, 8539, 15080, 17078, 30160, 34156, 42695, 68312, 85390, 111007, 136624, 170780, 222014, 247631, 341560, 444028, 495262, 555035, 683120, 888056, 990524, 1110070, 1238155, 1776112, 1981048, 2220140, 2476310, 3219203, 3962096, 4440280, 4952620, 6438406, 8880560, 9905240, 12876812, 16096015, 19810480, 25753624, 32192030, 51507248, 64384060, 128768120, 257536240]

約数ペア:

[(1, 257536240), (2, 128768120), (4, 64384060), (5, 51507248), (8, 32192030), (10, 25753624), (13, 19810480), (16, 16096015), (20, 12876812), (26, 9905240), (29, 8880560), (40, 6438406), (52, 4952620), (58, 4440280), (65, 3962096), (80, 3219203), (104, 2476310), (116, 2220140), (130, 1981048), (145, 1776112), (208, 1238155), (232, 1110070), (260, 990524), (290, 888056), (377, 683120), (464, 555035), (520, 495262), (580, 444028), (754, 341560), (1040, 247631), (1160, 222014), (1508, 170780), (1885, 136624), (2320, 111007), (3016, 85390), (3770, 68312), (6032, 42695), (7540, 34156), (8539, 30160), (15080, 17078)]