28837120

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1733}}^1$

素因数の和:1767

約数の個数: 72

約数和(自身を含む): 74430216

約数和(自身を除く): 45593096

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, 520, 640, 832, 1040, 1280, 1664, 1733, 2080, 3328, 3466, 4160, 6932, 8320, 8665, 13864, 16640, 17330, 22529, 27728, 34660, 45058, 55456, 69320, 90116, 110912, 112645, 138640, 180232, 221824, 225290, 277280, 360464, 443648, 450580, 554560, 720928, 901160, 1109120, 1441856, 1802320, 2218240, 2883712, 3604640, 5767424, 7209280, 14418560, 28837120]

約数ペア:

[(1, 28837120), (2, 14418560), (4, 7209280), (5, 5767424), (8, 3604640), (10, 2883712), (13, 2218240), (16, 1802320), (20, 1441856), (26, 1109120), (32, 901160), (40, 720928), (52, 554560), (64, 450580), (65, 443648), (80, 360464), (104, 277280), (128, 225290), (130, 221824), (160, 180232), (208, 138640), (256, 112645), (260, 110912), (320, 90116), (416, 69320), (520, 55456), (640, 45058), (832, 34660), (1040, 27728), (1280, 22529), (1664, 17330), (1733, 16640), (2080, 13864), (3328, 8665), (3466, 8320), (4160, 6932)]