201266320

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{23081}}^1$

素因数の和:23203

約数の個数: 40

約数和(自身を含む): 472257720

約数和(自身を除く): 270991400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 8720, 23081, 46162, 92324, 115405, 184648, 230810, 369296, 461620, 923240, 1846480, 2515829, 5031658, 10063316, 12579145, 20126632, 25158290, 40253264, 50316580, 100633160, 201266320]

約数ペア:

[(1, 201266320), (2, 100633160), (4, 50316580), (5, 40253264), (8, 25158290), (10, 20126632), (16, 12579145), (20, 10063316), (40, 5031658), (80, 2515829), (109, 1846480), (218, 923240), (436, 461620), (545, 369296), (872, 230810), (1090, 184648), (1744, 115405), (2180, 92324), (4360, 46162), (8720, 23081)]