22356800

素因数分解:

$2^6\times 5^2\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:268

約数の個数: 84

約数和(自身を含む): 55984140

約数和(自身を除く): 33627340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 89, 100, 157, 160, 178, 200, 314, 320, 356, 400, 445, 628, 712, 785, 800, 890, 1256, 1424, 1570, 1600, 1780, 2225, 2512, 2848, 3140, 3560, 3925, 4450, 5024, 5696, 6280, 7120, 7850, 8900, 10048, 12560, 13973, 14240, 15700, 17800, 25120, 27946, 28480, 31400, 35600, 50240, 55892, 62800, 69865, 71200, 111784, 125600, 139730, 142400, 223568, 251200, 279460, 349325, 447136, 558920, 698650, 894272, 1117840, 1397300, 2235680, 2794600, 4471360, 5589200, 11178400, 22356800]

約数ペア:

[(1, 22356800), (2, 11178400), (4, 5589200), (5, 4471360), (8, 2794600), (10, 2235680), (16, 1397300), (20, 1117840), (25, 894272), (32, 698650), (40, 558920), (50, 447136), (64, 349325), (80, 279460), (89, 251200), (100, 223568), (157, 142400), (160, 139730), (178, 125600), (200, 111784), (314, 71200), (320, 69865), (356, 62800), (400, 55892), (445, 50240), (628, 35600), (712, 31400), (785, 28480), (800, 27946), (890, 25120), (1256, 17800), (1424, 15700), (1570, 14240), (1600, 13973), (1780, 12560), (2225, 10048), (2512, 8900), (2848, 7850), (3140, 7120), (3560, 6280), (3925, 5696), (4450, 5024)]