13015360

素因数分解:

$2^6\times 5^1\times {\mathrm{89}}^1\times {\mathrm{457}}^1$

素因数の和:563

約数の個数: 56

約数和(自身を含む): 31409640

約数和(自身を除く): 18394280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 160, 178, 320, 356, 445, 457, 712, 890, 914, 1424, 1780, 1828, 2285, 2848, 3560, 3656, 4570, 5696, 7120, 7312, 9140, 14240, 14624, 18280, 28480, 29248, 36560, 40673, 73120, 81346, 146240, 162692, 203365, 325384, 406730, 650768, 813460, 1301536, 1626920, 2603072, 3253840, 6507680, 13015360]

約数ペア:

[(1, 13015360), (2, 6507680), (4, 3253840), (5, 2603072), (8, 1626920), (10, 1301536), (16, 813460), (20, 650768), (32, 406730), (40, 325384), (64, 203365), (80, 162692), (89, 146240), (160, 81346), (178, 73120), (320, 40673), (356, 36560), (445, 29248), (457, 28480), (712, 18280), (890, 14624), (914, 14240), (1424, 9140), (1780, 7312), (1828, 7120), (2285, 5696), (2848, 4570), (3560, 3656)]