39129520

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{83}}^2$

素因数の和:250

約数の個数: 60

約数和(自身を含む): 93382416

約数和(自身を除く): 54252896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 83, 142, 166, 284, 332, 355, 415, 568, 664, 710, 830, 1136, 1328, 1420, 1660, 2840, 3320, 5680, 5893, 6640, 6889, 11786, 13778, 23572, 27556, 29465, 34445, 47144, 55112, 58930, 68890, 94288, 110224, 117860, 137780, 235720, 275560, 471440, 489119, 551120, 978238, 1956476, 2445595, 3912952, 4891190, 7825904, 9782380, 19564760, 39129520]

約数ペア:

[(1, 39129520), (2, 19564760), (4, 9782380), (5, 7825904), (8, 4891190), (10, 3912952), (16, 2445595), (20, 1956476), (40, 978238), (71, 551120), (80, 489119), (83, 471440), (142, 275560), (166, 235720), (284, 137780), (332, 117860), (355, 110224), (415, 94288), (568, 68890), (664, 58930), (710, 55112), (830, 47144), (1136, 34445), (1328, 29465), (1420, 27556), (1660, 23572), (2840, 13778), (3320, 11786), (5680, 6889), (5893, 6640)]