61660400

素因数分解:

$2^4\times 5^2\times {\mathrm{139}}^1\times {\mathrm{1109}}^1$

素因数の和:1266

約数の個数: 60

約数和(自身を含む): 149339400

約数和(自身を除く): 87679000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 139, 200, 278, 400, 556, 695, 1109, 1112, 1390, 2218, 2224, 2780, 3475, 4436, 5545, 5560, 6950, 8872, 11090, 11120, 13900, 17744, 22180, 27725, 27800, 44360, 55450, 55600, 88720, 110900, 154151, 221800, 308302, 443600, 616604, 770755, 1233208, 1541510, 2466416, 3083020, 3853775, 6166040, 7707550, 12332080, 15415100, 30830200, 61660400]

約数ペア:

[(1, 61660400), (2, 30830200), (4, 15415100), (5, 12332080), (8, 7707550), (10, 6166040), (16, 3853775), (20, 3083020), (25, 2466416), (40, 1541510), (50, 1233208), (80, 770755), (100, 616604), (139, 443600), (200, 308302), (278, 221800), (400, 154151), (556, 110900), (695, 88720), (1109, 55600), (1112, 55450), (1390, 44360), (2218, 27800), (2224, 27725), (2780, 22180), (3475, 17744), (4436, 13900), (5545, 11120), (5560, 11090), (6950, 8872)]