40219928

素因数分解:

$2^3\times 7^1\times {\mathrm{139}}^1\times {\mathrm{5167}}^1$

素因数の和:5319

約数の個数: 32

約数和(自身を含む): 86822400

約数和(自身を除く): 46602472

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 139, 278, 556, 973, 1112, 1946, 3892, 5167, 7784, 10334, 20668, 36169, 41336, 72338, 144676, 289352, 718213, 1436426, 2872852, 5027491, 5745704, 10054982, 20109964, 40219928]

約数ペア:

[(1, 40219928), (2, 20109964), (4, 10054982), (7, 5745704), (8, 5027491), (14, 2872852), (28, 1436426), (56, 718213), (139, 289352), (278, 144676), (556, 72338), (973, 41336), (1112, 36169), (1946, 20668), (3892, 10334), (5167, 7784)]