38946520

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{18371}}^1$

素因数の和:18435

約数の個数: 32

約数和(自身を含む): 89287920

約数和(自身を除く): 50341400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 18371, 36742, 73484, 91855, 146968, 183710, 367420, 734840, 973663, 1947326, 3894652, 4868315, 7789304, 9736630, 19473260, 38946520]

約数ペア:

[(1, 38946520), (2, 19473260), (4, 9736630), (5, 7789304), (8, 4868315), (10, 3894652), (20, 1947326), (40, 973663), (53, 734840), (106, 367420), (212, 183710), (265, 146968), (424, 91855), (530, 73484), (1060, 36742), (2120, 18371)]