19497200

素因数分解:

$2^4\times 5^2\times {\mathrm{79}}^1\times {\mathrm{617}}^1$

素因数の和:714

約数の個数: 60

約数和(自身を含む): 47511840

約数和(自身を除く): 28014640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 79, 80, 100, 158, 200, 316, 395, 400, 617, 632, 790, 1234, 1264, 1580, 1975, 2468, 3085, 3160, 3950, 4936, 6170, 6320, 7900, 9872, 12340, 15425, 15800, 24680, 30850, 31600, 48743, 49360, 61700, 97486, 123400, 194972, 243715, 246800, 389944, 487430, 779888, 974860, 1218575, 1949720, 2437150, 3899440, 4874300, 9748600, 19497200]

約数ペア:

[(1, 19497200), (2, 9748600), (4, 4874300), (5, 3899440), (8, 2437150), (10, 1949720), (16, 1218575), (20, 974860), (25, 779888), (40, 487430), (50, 389944), (79, 246800), (80, 243715), (100, 194972), (158, 123400), (200, 97486), (316, 61700), (395, 49360), (400, 48743), (617, 31600), (632, 30850), (790, 24680), (1234, 15800), (1264, 15425), (1580, 12340), (1975, 9872), (2468, 7900), (3085, 6320), (3160, 6170), (3950, 4936)]