875550640

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{379}}^1\times {\mathrm{431}}^1$

素因数の和:890

約数の個数: 80

約数和(自身を含む): 2076295680

約数和(自身を除く): 1200745040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 379, 431, 536, 670, 758, 862, 1072, 1340, 1516, 1724, 1895, 2155, 2680, 3032, 3448, 3790, 4310, 5360, 6064, 6896, 7580, 8620, 15160, 17240, 25393, 28877, 30320, 34480, 50786, 57754, 101572, 115508, 126965, 144385, 163349, 203144, 231016, 253930, 288770, 326698, 406288, 462032, 507860, 577540, 653396, 816745, 1015720, 1155080, 1306792, 1633490, 2031440, 2310160, 2613584, 3266980, 6533960, 10944383, 13067920, 21888766, 43777532, 54721915, 87555064, 109443830, 175110128, 218887660, 437775320, 875550640]

約数ペア:

[(1, 875550640), (2, 437775320), (4, 218887660), (5, 175110128), (8, 109443830), (10, 87555064), (16, 54721915), (20, 43777532), (40, 21888766), (67, 13067920), (80, 10944383), (134, 6533960), (268, 3266980), (335, 2613584), (379, 2310160), (431, 2031440), (536, 1633490), (670, 1306792), (758, 1155080), (862, 1015720), (1072, 816745), (1340, 653396), (1516, 577540), (1724, 507860), (1895, 462032), (2155, 406288), (2680, 326698), (3032, 288770), (3448, 253930), (3790, 231016), (4310, 203144), (5360, 163349), (6064, 144385), (6896, 126965), (7580, 115508), (8620, 101572), (15160, 57754), (17240, 50786), (25393, 34480), (28877, 30320)]