72565640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{259163}}^1$

素因数の和:259181

約数の個数: 32

約数和(自身を含む): 186598080

約数和(自身を除く): 114032440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 259163, 518326, 1036652, 1295815, 1814141, 2073304, 2591630, 3628282, 5183260, 7256564, 9070705, 10366520, 14513128, 18141410, 36282820, 72565640]

約数ペア:

[(1, 72565640), (2, 36282820), (4, 18141410), (5, 14513128), (7, 10366520), (8, 9070705), (10, 7256564), (14, 5183260), (20, 3628282), (28, 2591630), (35, 2073304), (40, 1814141), (56, 1295815), (70, 1036652), (140, 518326), (280, 259163)]