40520840

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{13877}}^1$

素因数の和:13961

約数の個数: 32

約数和(自身を含む): 92427480

約数和(自身を除く): 51906640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 13877, 27754, 55508, 69385, 111016, 138770, 277540, 555080, 1013021, 2026042, 4052084, 5065105, 8104168, 10130210, 20260420, 40520840]

約数ペア:

[(1, 40520840), (2, 20260420), (4, 10130210), (5, 8104168), (8, 5065105), (10, 4052084), (20, 2026042), (40, 1013021), (73, 555080), (146, 277540), (292, 138770), (365, 111016), (584, 69385), (730, 55508), (1460, 27754), (2920, 13877)]