25464800

素因数分解:

$2^5\times 5^2\times {\mathrm{139}}^1\times {\mathrm{229}}^1$

素因数の和:388

約数の個数: 72

約数和(自身を含む): 62886600

約数和(自身を除く): 37421800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 139, 160, 200, 229, 278, 400, 458, 556, 695, 800, 916, 1112, 1145, 1390, 1832, 2224, 2290, 2780, 3475, 3664, 4448, 4580, 5560, 5725, 6950, 7328, 9160, 11120, 11450, 13900, 18320, 22240, 22900, 27800, 31831, 36640, 45800, 55600, 63662, 91600, 111200, 127324, 159155, 183200, 254648, 318310, 509296, 636620, 795775, 1018592, 1273240, 1591550, 2546480, 3183100, 5092960, 6366200, 12732400, 25464800]

約数ペア:

[(1, 25464800), (2, 12732400), (4, 6366200), (5, 5092960), (8, 3183100), (10, 2546480), (16, 1591550), (20, 1273240), (25, 1018592), (32, 795775), (40, 636620), (50, 509296), (80, 318310), (100, 254648), (139, 183200), (160, 159155), (200, 127324), (229, 111200), (278, 91600), (400, 63662), (458, 55600), (556, 45800), (695, 36640), (800, 31831), (916, 27800), (1112, 22900), (1145, 22240), (1390, 18320), (1832, 13900), (2224, 11450), (2290, 11120), (2780, 9160), (3475, 7328), (3664, 6950), (4448, 5725), (4580, 5560)]