31439620

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1667}}^1$

素因数の和:1740

約数の個数: 48

約数和(自身を含む): 70616448

約数和(自身を除く): 39176828

約数列:

[1, 2, 4, 5, 10, 20, 23, 41, 46, 82, 92, 115, 164, 205, 230, 410, 460, 820, 943, 1667, 1886, 3334, 3772, 4715, 6668, 8335, 9430, 16670, 18860, 33340, 38341, 68347, 76682, 136694, 153364, 191705, 273388, 341735, 383410, 683470, 766820, 1366940, 1571981, 3143962, 6287924, 7859905, 15719810, 31439620]

約数ペア:

[(1, 31439620), (2, 15719810), (4, 7859905), (5, 6287924), (10, 3143962), (20, 1571981), (23, 1366940), (41, 766820), (46, 683470), (82, 383410), (92, 341735), (115, 273388), (164, 191705), (205, 153364), (230, 136694), (410, 76682), (460, 68347), (820, 38341), (943, 33340), (1667, 18860), (1886, 16670), (3334, 9430), (3772, 8335), (4715, 6668)]