39920416

素因数分解:

$2^5\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:337

約数の個数: 48

約数和(自身を含む): 80831520

約数和(自身を除く): 40911104

約数列:

[1, 2, 4, 8, 16, 32, 89, 107, 131, 178, 214, 262, 356, 428, 524, 712, 856, 1048, 1424, 1712, 2096, 2848, 3424, 4192, 9523, 11659, 14017, 19046, 23318, 28034, 38092, 46636, 56068, 76184, 93272, 112136, 152368, 186544, 224272, 304736, 373088, 448544, 1247513, 2495026, 4990052, 9980104, 19960208, 39920416]

約数ペア:

[(1, 39920416), (2, 19960208), (4, 9980104), (8, 4990052), (16, 2495026), (32, 1247513), (89, 448544), (107, 373088), (131, 304736), (178, 224272), (214, 186544), (262, 152368), (356, 112136), (428, 93272), (524, 76184), (712, 56068), (856, 46636), (1048, 38092), (1424, 28034), (1712, 23318), (2096, 19046), (2848, 14017), (3424, 11659), (4192, 9523)]