40449920

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{9029}}^1$

素因数の和:9055

約数の個数: 64

約数和(自身を含む): 110527200

約数和(自身を除く): 70077280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 9029, 18058, 36116, 45145, 63203, 72232, 90290, 126406, 144464, 180580, 252812, 288928, 316015, 361160, 505624, 577856, 632030, 722320, 1011248, 1155712, 1264060, 1444640, 2022496, 2528120, 2889280, 4044992, 5056240, 5778560, 8089984, 10112480, 20224960, 40449920]

約数ペア:

[(1, 40449920), (2, 20224960), (4, 10112480), (5, 8089984), (7, 5778560), (8, 5056240), (10, 4044992), (14, 2889280), (16, 2528120), (20, 2022496), (28, 1444640), (32, 1264060), (35, 1155712), (40, 1011248), (56, 722320), (64, 632030), (70, 577856), (80, 505624), (112, 361160), (128, 316015), (140, 288928), (160, 252812), (224, 180580), (280, 144464), (320, 126406), (448, 90290), (560, 72232), (640, 63203), (896, 45145), (1120, 36116), (2240, 18058), (4480, 9029)]