129026560

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3877}}^1$

素因数の和:3913

約数の個数: 80

約数和(自身を含む): 333244296

約数和(自身を除く): 204217736

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 512, 520, 640, 832, 1040, 1280, 1664, 2080, 2560, 3328, 3877, 4160, 6656, 7754, 8320, 15508, 16640, 19385, 31016, 33280, 38770, 50401, 62032, 77540, 100802, 124064, 155080, 201604, 248128, 252005, 310160, 403208, 496256, 504010, 620320, 806416, 992512, 1008020, 1240640, 1612832, 1985024, 2016040, 2481280, 3225664, 4032080, 4962560, 6451328, 8064160, 9925120, 12902656, 16128320, 25805312, 32256640, 64513280, 129026560]

約数ペア:

[(1, 129026560), (2, 64513280), (4, 32256640), (5, 25805312), (8, 16128320), (10, 12902656), (13, 9925120), (16, 8064160), (20, 6451328), (26, 4962560), (32, 4032080), (40, 3225664), (52, 2481280), (64, 2016040), (65, 1985024), (80, 1612832), (104, 1240640), (128, 1008020), (130, 992512), (160, 806416), (208, 620320), (256, 504010), (260, 496256), (320, 403208), (416, 310160), (512, 252005), (520, 248128), (640, 201604), (832, 155080), (1040, 124064), (1280, 100802), (1664, 77540), (2080, 62032), (2560, 50401), (3328, 38770), (3877, 33280), (4160, 31016), (6656, 19385), (7754, 16640), (8320, 15508)]