19520960

素因数分解:

$2^6\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1151}}^1$

素因数の和:1221

約数の個数: 56

約数和(自身を含む): 47402496

約数和(自身を除く): 27881536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 160, 212, 265, 320, 424, 530, 848, 1060, 1151, 1696, 2120, 2302, 3392, 4240, 4604, 5755, 8480, 9208, 11510, 16960, 18416, 23020, 36832, 46040, 61003, 73664, 92080, 122006, 184160, 244012, 305015, 368320, 488024, 610030, 976048, 1220060, 1952096, 2440120, 3904192, 4880240, 9760480, 19520960]

約数ペア:

[(1, 19520960), (2, 9760480), (4, 4880240), (5, 3904192), (8, 2440120), (10, 1952096), (16, 1220060), (20, 976048), (32, 610030), (40, 488024), (53, 368320), (64, 305015), (80, 244012), (106, 184160), (160, 122006), (212, 92080), (265, 73664), (320, 61003), (424, 46040), (530, 36832), (848, 23020), (1060, 18416), (1151, 16960), (1696, 11510), (2120, 9208), (2302, 8480), (3392, 5755), (4240, 4604)]