65476480

素因数分解:

$2^7\times 5^1\times {\mathrm{263}}^1\times {\mathrm{389}}^1$

素因数の和:671

約数の個数: 64

約数和(自身を含む): 157528800

約数和(自身を除く): 92052320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 263, 320, 389, 526, 640, 778, 1052, 1315, 1556, 1945, 2104, 2630, 3112, 3890, 4208, 5260, 6224, 7780, 8416, 10520, 12448, 15560, 16832, 21040, 24896, 31120, 33664, 42080, 49792, 62240, 84160, 102307, 124480, 168320, 204614, 248960, 409228, 511535, 818456, 1023070, 1636912, 2046140, 3273824, 4092280, 6547648, 8184560, 13095296, 16369120, 32738240, 65476480]

約数ペア:

[(1, 65476480), (2, 32738240), (4, 16369120), (5, 13095296), (8, 8184560), (10, 6547648), (16, 4092280), (20, 3273824), (32, 2046140), (40, 1636912), (64, 1023070), (80, 818456), (128, 511535), (160, 409228), (263, 248960), (320, 204614), (389, 168320), (526, 124480), (640, 102307), (778, 84160), (1052, 62240), (1315, 49792), (1556, 42080), (1945, 33664), (2104, 31120), (2630, 24896), (3112, 21040), (3890, 16832), (4208, 15560), (5260, 12448), (6224, 10520), (7780, 8416)]