90142720

素因数分解:

$2^{11}\times 5^1\times {\mathrm{8803}}^1$

素因数の和:8830

約数の個数: 48

約数和(自身を含む): 216314280

約数和(自身を除く): 126171560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 5120, 8803, 10240, 17606, 35212, 44015, 70424, 88030, 140848, 176060, 281696, 352120, 563392, 704240, 1126784, 1408480, 2253568, 2816960, 4507136, 5633920, 9014272, 11267840, 18028544, 22535680, 45071360, 90142720]

約数ペア:

[(1, 90142720), (2, 45071360), (4, 22535680), (5, 18028544), (8, 11267840), (10, 9014272), (16, 5633920), (20, 4507136), (32, 2816960), (40, 2253568), (64, 1408480), (80, 1126784), (128, 704240), (160, 563392), (256, 352120), (320, 281696), (512, 176060), (640, 140848), (1024, 88030), (1280, 70424), (2048, 44015), (2560, 35212), (5120, 17606), (8803, 10240)]