129645200

素因数分解:

$2^4\times 5^2\times {\mathrm{324113}}^1$

素因数の和:324131

約数の個数: 30

約数和(自身を含む): 311473554

約数和(自身を除く): 181828354

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 324113, 648226, 1296452, 1620565, 2592904, 3241130, 5185808, 6482260, 8102825, 12964520, 16205650, 25929040, 32411300, 64822600, 129645200]

約数ペア:

[(1, 129645200), (2, 64822600), (4, 32411300), (5, 25929040), (8, 16205650), (10, 12964520), (16, 8102825), (20, 6482260), (25, 5185808), (40, 3241130), (50, 2592904), (80, 1620565), (100, 1296452), (200, 648226), (400, 324113)]