15204760

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{4271}}^1$

素因数の和:4371

約数の個数: 32

約数和(自身を含む): 34603200

約数和(自身を除く): 19398440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 4271, 8542, 17084, 21355, 34168, 42710, 85420, 170840, 380119, 760238, 1520476, 1900595, 3040952, 3801190, 7602380, 15204760]

約数ペア:

[(1, 15204760), (2, 7602380), (4, 3801190), (5, 3040952), (8, 1900595), (10, 1520476), (20, 760238), (40, 380119), (89, 170840), (178, 85420), (356, 42710), (445, 34168), (712, 21355), (890, 17084), (1780, 8542), (3560, 4271)]