38808800

素因数分解:

$2^5\times 5^2\times {\mathrm{139}}^1\times {\mathrm{349}}^1$

素因数の和:508

約数の個数: 72

約数和(自身を含む): 95697000

約数和(自身を除く): 56888200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 139, 160, 200, 278, 349, 400, 556, 695, 698, 800, 1112, 1390, 1396, 1745, 2224, 2780, 2792, 3475, 3490, 4448, 5560, 5584, 6950, 6980, 8725, 11120, 11168, 13900, 13960, 17450, 22240, 27800, 27920, 34900, 48511, 55600, 55840, 69800, 97022, 111200, 139600, 194044, 242555, 279200, 388088, 485110, 776176, 970220, 1212775, 1552352, 1940440, 2425550, 3880880, 4851100, 7761760, 9702200, 19404400, 38808800]

約数ペア:

[(1, 38808800), (2, 19404400), (4, 9702200), (5, 7761760), (8, 4851100), (10, 3880880), (16, 2425550), (20, 1940440), (25, 1552352), (32, 1212775), (40, 970220), (50, 776176), (80, 485110), (100, 388088), (139, 279200), (160, 242555), (200, 194044), (278, 139600), (349, 111200), (400, 97022), (556, 69800), (695, 55840), (698, 55600), (800, 48511), (1112, 34900), (1390, 27920), (1396, 27800), (1745, 22240), (2224, 17450), (2780, 13960), (2792, 13900), (3475, 11168), (3490, 11120), (4448, 8725), (5560, 6980), (5584, 6950)]