91983280

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{12919}}^1$

素因数の和:13021

約数の個数: 40

約数和(自身を含む): 216280800

約数和(自身を除く): 124297520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 12919, 25838, 51676, 64595, 103352, 129190, 206704, 258380, 516760, 1033520, 1149791, 2299582, 4599164, 5748955, 9198328, 11497910, 18396656, 22995820, 45991640, 91983280]

約数ペア:

[(1, 91983280), (2, 45991640), (4, 22995820), (5, 18396656), (8, 11497910), (10, 9198328), (16, 5748955), (20, 4599164), (40, 2299582), (80, 1149791), (89, 1033520), (178, 516760), (356, 258380), (445, 206704), (712, 129190), (890, 103352), (1424, 64595), (1780, 51676), (3560, 25838), (7120, 12919)]