28732400

素因数分解:

$2^4\times 5^2\times {\mathrm{109}}^1\times {\mathrm{659}}^1$

素因数の和:786

約数の個数: 60

約数和(自身を含む): 69768600

約数和(自身を除く): 41036200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 109, 200, 218, 400, 436, 545, 659, 872, 1090, 1318, 1744, 2180, 2636, 2725, 3295, 4360, 5272, 5450, 6590, 8720, 10544, 10900, 13180, 16475, 21800, 26360, 32950, 43600, 52720, 65900, 71831, 131800, 143662, 263600, 287324, 359155, 574648, 718310, 1149296, 1436620, 1795775, 2873240, 3591550, 5746480, 7183100, 14366200, 28732400]

約数ペア:

[(1, 28732400), (2, 14366200), (4, 7183100), (5, 5746480), (8, 3591550), (10, 2873240), (16, 1795775), (20, 1436620), (25, 1149296), (40, 718310), (50, 574648), (80, 359155), (100, 287324), (109, 263600), (200, 143662), (218, 131800), (400, 71831), (436, 65900), (545, 52720), (659, 43600), (872, 32950), (1090, 26360), (1318, 21800), (1744, 16475), (2180, 13180), (2636, 10900), (2725, 10544), (3295, 8720), (4360, 6590), (5272, 5450)]