28916000

素因数分解:

$2^5\times 5^3\times {\mathrm{7229}}^1$

素因数の和:7254

約数の個数: 48

約数和(自身を含む): 71056440

約数和(自身を除く): 42140440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 7229, 14458, 28916, 36145, 57832, 72290, 115664, 144580, 180725, 231328, 289160, 361450, 578320, 722900, 903625, 1156640, 1445800, 1807250, 2891600, 3614500, 5783200, 7229000, 14458000, 28916000]

約数ペア:

[(1, 28916000), (2, 14458000), (4, 7229000), (5, 5783200), (8, 3614500), (10, 2891600), (16, 1807250), (20, 1445800), (25, 1156640), (32, 903625), (40, 722900), (50, 578320), (80, 361450), (100, 289160), (125, 231328), (160, 180725), (200, 144580), (250, 115664), (400, 72290), (500, 57832), (800, 36145), (1000, 28916), (2000, 14458), (4000, 7229)]