38779120

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{11273}}^1$

素因数の和:11329

約数の個数: 40

約数和(自身を含む): 92266416

約数和(自身を除く): 53487296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 11273, 22546, 45092, 56365, 90184, 112730, 180368, 225460, 450920, 484739, 901840, 969478, 1938956, 2423695, 3877912, 4847390, 7755824, 9694780, 19389560, 38779120]

約数ペア:

[(1, 38779120), (2, 19389560), (4, 9694780), (5, 7755824), (8, 4847390), (10, 3877912), (16, 2423695), (20, 1938956), (40, 969478), (43, 901840), (80, 484739), (86, 450920), (172, 225460), (215, 180368), (344, 112730), (430, 90184), (688, 56365), (860, 45092), (1720, 22546), (3440, 11273)]