4015008940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{118717}}^1$

素因数の和:118834

約数の個数: 48

約数和(自身を含む): 8975080800

約数和(自身を除く): 4960071860

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 89, 95, 178, 190, 356, 380, 445, 890, 1691, 1780, 3382, 6764, 8455, 16910, 33820, 118717, 237434, 474868, 593585, 1187170, 2255623, 2374340, 4511246, 9022492, 10565813, 11278115, 21131626, 22556230, 42263252, 45112460, 52829065, 105658130, 200750447, 211316260, 401500894, 803001788, 1003752235, 2007504470, 4015008940]

約数ペア:

[(1, 4015008940), (2, 2007504470), (4, 1003752235), (5, 803001788), (10, 401500894), (19, 211316260), (20, 200750447), (38, 105658130), (76, 52829065), (89, 45112460), (95, 42263252), (178, 22556230), (190, 21131626), (356, 11278115), (380, 10565813), (445, 9022492), (890, 4511246), (1691, 2374340), (1780, 2255623), (3382, 1187170), (6764, 593585), (8455, 474868), (16910, 237434), (33820, 118717)]