72086920

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{41911}}^1$

素因数の和:41965

約数の個数: 32

約数和(自身を含む): 165971520

約数和(自身を除く): 93884600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 41911, 83822, 167644, 209555, 335288, 419110, 838220, 1676440, 1802173, 3604346, 7208692, 9010865, 14417384, 18021730, 36043460, 72086920]

約数ペア:

[(1, 72086920), (2, 36043460), (4, 18021730), (5, 14417384), (8, 9010865), (10, 7208692), (20, 3604346), (40, 1802173), (43, 1676440), (86, 838220), (172, 419110), (215, 335288), (344, 209555), (430, 167644), (860, 83822), (1720, 41911)]