201478520

素因数分解:

$2^3\times 5^1\times {\mathrm{293}}^1\times {\mathrm{17191}}^1$

素因数の和:17495

約数の個数: 32

約数和(自身を含む): 454900320

約数和(自身を除く): 253421800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 293, 586, 1172, 1465, 2344, 2930, 5860, 11720, 17191, 34382, 68764, 85955, 137528, 171910, 343820, 687640, 5036963, 10073926, 20147852, 25184815, 40295704, 50369630, 100739260, 201478520]

約数ペア:

[(1, 201478520), (2, 100739260), (4, 50369630), (5, 40295704), (8, 25184815), (10, 20147852), (20, 10073926), (40, 5036963), (293, 687640), (586, 343820), (1172, 171910), (1465, 137528), (2344, 85955), (2930, 68764), (5860, 34382), (11720, 17191)]