64997540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{1399}}^1$

素因数の和:1532

約数の個数: 48

約数和(自身を含む): 143942400

約数和(自身を除く): 78944860

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 101, 115, 202, 230, 404, 460, 505, 1010, 1399, 2020, 2323, 2798, 4646, 5596, 6995, 9292, 11615, 13990, 23230, 27980, 32177, 46460, 64354, 128708, 141299, 160885, 282598, 321770, 565196, 643540, 706495, 1412990, 2825980, 3249877, 6499754, 12999508, 16249385, 32498770, 64997540]

約数ペア:

[(1, 64997540), (2, 32498770), (4, 16249385), (5, 12999508), (10, 6499754), (20, 3249877), (23, 2825980), (46, 1412990), (92, 706495), (101, 643540), (115, 565196), (202, 321770), (230, 282598), (404, 160885), (460, 141299), (505, 128708), (1010, 64354), (1399, 46460), (2020, 32177), (2323, 27980), (2798, 23230), (4646, 13990), (5596, 11615), (6995, 9292)]