19488400

素因数分解:

$2^4\times 5^2\times {\mathrm{83}}^1\times {\mathrm{587}}^1$

素因数の和:688

約数の個数: 60

約数和(自身を含む): 47465712

約数和(自身を除く): 27977312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 83, 100, 166, 200, 332, 400, 415, 587, 664, 830, 1174, 1328, 1660, 2075, 2348, 2935, 3320, 4150, 4696, 5870, 6640, 8300, 9392, 11740, 14675, 16600, 23480, 29350, 33200, 46960, 48721, 58700, 97442, 117400, 194884, 234800, 243605, 389768, 487210, 779536, 974420, 1218025, 1948840, 2436050, 3897680, 4872100, 9744200, 19488400]

約数ペア:

[(1, 19488400), (2, 9744200), (4, 4872100), (5, 3897680), (8, 2436050), (10, 1948840), (16, 1218025), (20, 974420), (25, 779536), (40, 487210), (50, 389768), (80, 243605), (83, 234800), (100, 194884), (166, 117400), (200, 97442), (332, 58700), (400, 48721), (415, 46960), (587, 33200), (664, 29350), (830, 23480), (1174, 16600), (1328, 14675), (1660, 11740), (2075, 9392), (2348, 8300), (2935, 6640), (3320, 5870), (4150, 4696)]