90977720

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{17909}}^1$

素因数の和:18047

約数の個数: 32

約数和(自身を含む): 206323200

約数和(自身を除く): 115345480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 17909, 35818, 71636, 89545, 143272, 179090, 358180, 716360, 2274443, 4548886, 9097772, 11372215, 18195544, 22744430, 45488860, 90977720]

約数ペア:

[(1, 90977720), (2, 45488860), (4, 22744430), (5, 18195544), (8, 11372215), (10, 9097772), (20, 4548886), (40, 2274443), (127, 716360), (254, 358180), (508, 179090), (635, 143272), (1016, 89545), (1270, 71636), (2540, 35818), (5080, 17909)]