25511680

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1049}}^1$

素因数の和:1089

約数の個数: 72

約数和(自身を含む): 64386000

約数和(自身を除く): 38874320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 608, 640, 760, 1049, 1216, 1280, 1520, 2098, 2432, 3040, 4196, 4864, 5245, 6080, 8392, 10490, 12160, 16784, 19931, 20980, 24320, 33568, 39862, 41960, 67136, 79724, 83920, 99655, 134272, 159448, 167840, 199310, 268544, 318896, 335680, 398620, 637792, 671360, 797240, 1275584, 1342720, 1594480, 2551168, 3188960, 5102336, 6377920, 12755840, 25511680]

約数ペア:

[(1, 25511680), (2, 12755840), (4, 6377920), (5, 5102336), (8, 3188960), (10, 2551168), (16, 1594480), (19, 1342720), (20, 1275584), (32, 797240), (38, 671360), (40, 637792), (64, 398620), (76, 335680), (80, 318896), (95, 268544), (128, 199310), (152, 167840), (160, 159448), (190, 134272), (256, 99655), (304, 83920), (320, 79724), (380, 67136), (608, 41960), (640, 39862), (760, 33568), (1049, 24320), (1216, 20980), (1280, 19931), (1520, 16784), (2098, 12160), (2432, 10490), (3040, 8392), (4196, 6080), (4864, 5245)]