1872100040

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{357271}}^1$

素因数の和:357413

約数の個数: 32

約数和(自身を含む): 4244391360

約数和(自身を除く): 2372291320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 357271, 714542, 1429084, 1786355, 2858168, 3572710, 7145420, 14290840, 46802501, 93605002, 187210004, 234012505, 374420008, 468025010, 936050020, 1872100040]

約数ペア:

[(1, 1872100040), (2, 936050020), (4, 468025010), (5, 374420008), (8, 234012505), (10, 187210004), (20, 93605002), (40, 46802501), (131, 14290840), (262, 7145420), (524, 3572710), (655, 2858168), (1048, 1786355), (1310, 1429084), (2620, 714542), (5240, 357271)]