26030720

素因数分解:

$2^7\times 5^1\times {\mathrm{89}}^1\times {\mathrm{457}}^1$

素因数の和:565

約数の個数: 64

約数和(自身を含む): 63066600

約数和(自身を除く): 37035880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 128, 160, 178, 320, 356, 445, 457, 640, 712, 890, 914, 1424, 1780, 1828, 2285, 2848, 3560, 3656, 4570, 5696, 7120, 7312, 9140, 11392, 14240, 14624, 18280, 28480, 29248, 36560, 40673, 56960, 58496, 73120, 81346, 146240, 162692, 203365, 292480, 325384, 406730, 650768, 813460, 1301536, 1626920, 2603072, 3253840, 5206144, 6507680, 13015360, 26030720]

約数ペア:

[(1, 26030720), (2, 13015360), (4, 6507680), (5, 5206144), (8, 3253840), (10, 2603072), (16, 1626920), (20, 1301536), (32, 813460), (40, 650768), (64, 406730), (80, 325384), (89, 292480), (128, 203365), (160, 162692), (178, 146240), (320, 81346), (356, 73120), (445, 58496), (457, 56960), (640, 40673), (712, 36560), (890, 29248), (914, 28480), (1424, 18280), (1780, 14624), (1828, 14240), (2285, 11392), (2848, 9140), (3560, 7312), (3656, 7120), (4570, 5696)]