39989876

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{521}}^1\times {\mathrm{619}}^1$

素因数の和:1175

約数の個数: 24

約数和(自身を含む): 72495360

約数和(自身を除く): 32505484

約数列:

[1, 2, 4, 31, 62, 124, 521, 619, 1042, 1238, 2084, 2476, 16151, 19189, 32302, 38378, 64604, 76756, 322499, 644998, 1289996, 9997469, 19994938, 39989876]

約数ペア:

[(1, 39989876), (2, 19994938), (4, 9997469), (31, 1289996), (62, 644998), (124, 322499), (521, 76756), (619, 64604), (1042, 38378), (1238, 32302), (2084, 19189), (2476, 16151)]