19560400

素因数分解:

$2^4\times 5^2\times {\mathrm{79}}^1\times {\mathrm{619}}^1$

素因数の和:716

約数の個数: 60

約数和(自身を含む): 47665600

約数和(自身を除く): 28105200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 79, 80, 100, 158, 200, 316, 395, 400, 619, 632, 790, 1238, 1264, 1580, 1975, 2476, 3095, 3160, 3950, 4952, 6190, 6320, 7900, 9904, 12380, 15475, 15800, 24760, 30950, 31600, 48901, 49520, 61900, 97802, 123800, 195604, 244505, 247600, 391208, 489010, 782416, 978020, 1222525, 1956040, 2445050, 3912080, 4890100, 9780200, 19560400]

約数ペア:

[(1, 19560400), (2, 9780200), (4, 4890100), (5, 3912080), (8, 2445050), (10, 1956040), (16, 1222525), (20, 978020), (25, 782416), (40, 489010), (50, 391208), (79, 247600), (80, 244505), (100, 195604), (158, 123800), (200, 97802), (316, 61900), (395, 49520), (400, 48901), (619, 31600), (632, 30950), (790, 24760), (1238, 15800), (1264, 15475), (1580, 12380), (1975, 9904), (2476, 7900), (3095, 6320), (3160, 6190), (3950, 4952)]