71747720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163063}}^1$

素因数の和:163085

約数の個数: 32

約数和(自身を含む): 176109120

約数和(自身を除く): 104361400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 163063, 326126, 652252, 815315, 1304504, 1630630, 1793693, 3261260, 3587386, 6522520, 7174772, 8968465, 14349544, 17936930, 35873860, 71747720]

約数ペア:

[(1, 71747720), (2, 35873860), (4, 17936930), (5, 14349544), (8, 8968465), (10, 7174772), (11, 6522520), (20, 3587386), (22, 3261260), (40, 1793693), (44, 1630630), (55, 1304504), (88, 815315), (110, 652252), (220, 326126), (440, 163063)]