20152034080

素因数分解:

$2^5\times 5^1\times {\mathrm{4909}}^1\times {\mathrm{25657}}^1$

素因数の和:30581

約数の個数: 48

約数和(自身を含む): 47620734840

約数和(自身を除く): 27468700760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 4909, 9818, 19636, 24545, 25657, 39272, 49090, 51314, 78544, 98180, 102628, 128285, 157088, 196360, 205256, 256570, 392720, 410512, 513140, 785440, 821024, 1026280, 2052560, 4105120, 125950213, 251900426, 503800852, 629751065, 1007601704, 1259502130, 2015203408, 2519004260, 4030406816, 5038008520, 10076017040, 20152034080]

約数ペア:

[(1, 20152034080), (2, 10076017040), (4, 5038008520), (5, 4030406816), (8, 2519004260), (10, 2015203408), (16, 1259502130), (20, 1007601704), (32, 629751065), (40, 503800852), (80, 251900426), (160, 125950213), (4909, 4105120), (9818, 2052560), (19636, 1026280), (24545, 821024), (25657, 785440), (39272, 513140), (49090, 410512), (51314, 392720), (78544, 256570), (98180, 205256), (102628, 196360), (128285, 157088)]