15178780

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1951}}^1$

素因数の和:2349

約数の個数: 24

約数和(自身を含む): 31973760

約数和(自身を除く): 16794980

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1556, 1945, 1951, 3890, 3902, 7780, 7804, 9755, 19510, 39020, 758939, 1517878, 3035756, 3794695, 7589390, 15178780]

約数ペア:

[(1, 15178780), (2, 7589390), (4, 3794695), (5, 3035756), (10, 1517878), (20, 758939), (389, 39020), (778, 19510), (1556, 9755), (1945, 7804), (1951, 7780), (3890, 3902)]