161938640

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{54709}}^1$

素因数の和:54759

約数の個数: 40

約数和(自身を含む): 386690280

約数和(自身を除く): 224751640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 54709, 109418, 218836, 273545, 437672, 547090, 875344, 1094180, 2024233, 2188360, 4048466, 4376720, 8096932, 10121165, 16193864, 20242330, 32387728, 40484660, 80969320, 161938640]

約数ペア:

[(1, 161938640), (2, 80969320), (4, 40484660), (5, 32387728), (8, 20242330), (10, 16193864), (16, 10121165), (20, 8096932), (37, 4376720), (40, 4048466), (74, 2188360), (80, 2024233), (148, 1094180), (185, 875344), (296, 547090), (370, 437672), (592, 273545), (740, 218836), (1480, 109418), (2960, 54709)]