26980480

素因数分解:

$2^7\times 5^1\times {\mathrm{42157}}^1$

素因数の和:42176

約数の個数: 32

約数和(自身を含む): 64501740

約数和(自身を除く): 37521260

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 42157, 84314, 168628, 210785, 337256, 421570, 674512, 843140, 1349024, 1686280, 2698048, 3372560, 5396096, 6745120, 13490240, 26980480]

約数ペア:

[(1, 26980480), (2, 13490240), (4, 6745120), (5, 5396096), (8, 3372560), (10, 2698048), (16, 1686280), (20, 1349024), (32, 843140), (40, 674512), (64, 421570), (80, 337256), (128, 210785), (160, 168628), (320, 84314), (640, 42157)]