38402080

素因数分解:

$2^5\times 5^1\times {\mathrm{389}}^1\times {\mathrm{617}}^1$

素因数の和:1021

約数の個数: 48

約数和(自身を含む): 91105560

約数和(自身を除く): 52703480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 389, 617, 778, 1234, 1556, 1945, 2468, 3085, 3112, 3890, 4936, 6170, 6224, 7780, 9872, 12340, 12448, 15560, 19744, 24680, 31120, 49360, 62240, 98720, 240013, 480026, 960052, 1200065, 1920104, 2400130, 3840208, 4800260, 7680416, 9600520, 19201040, 38402080]

約数ペア:

[(1, 38402080), (2, 19201040), (4, 9600520), (5, 7680416), (8, 4800260), (10, 3840208), (16, 2400130), (20, 1920104), (32, 1200065), (40, 960052), (80, 480026), (160, 240013), (389, 98720), (617, 62240), (778, 49360), (1234, 31120), (1556, 24680), (1945, 19744), (2468, 15560), (3085, 12448), (3112, 12340), (3890, 9872), (4936, 7780), (6170, 6224)]