31296760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71129}}^1$

素因数の和:71151

約数の個数: 32

約数和(自身を含む): 76820400

約数和(自身を除く): 45523640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 71129, 142258, 284516, 355645, 569032, 711290, 782419, 1422580, 1564838, 2845160, 3129676, 3912095, 6259352, 7824190, 15648380, 31296760]

約数ペア:

[(1, 31296760), (2, 15648380), (4, 7824190), (5, 6259352), (8, 3912095), (10, 3129676), (11, 2845160), (20, 1564838), (22, 1422580), (40, 782419), (44, 711290), (55, 569032), (88, 355645), (110, 284516), (220, 142258), (440, 71129)]