157470440

素因数分解:

$2^3\times 5^1\times {\mathrm{1787}}^1\times {\mathrm{2203}}^1$

素因数の和:4001

約数の個数: 32

約数和(自身を含む): 354667680

約数和(自身を除く): 197197240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1787, 2203, 3574, 4406, 7148, 8812, 8935, 11015, 14296, 17624, 17870, 22030, 35740, 44060, 71480, 88120, 3936761, 7873522, 15747044, 19683805, 31494088, 39367610, 78735220, 157470440]

約数ペア:

[(1, 157470440), (2, 78735220), (4, 39367610), (5, 31494088), (8, 19683805), (10, 15747044), (20, 7873522), (40, 3936761), (1787, 88120), (2203, 71480), (3574, 44060), (4406, 35740), (7148, 22030), (8812, 17870), (8935, 17624), (11015, 14296)]