2021247520

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{308117}}^1$

素因数の和:308173

約数の個数: 48

約数和(自身を含む): 4891681368

約数和(自身を除く): 2870433848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3280, 6560, 308117, 616234, 1232468, 1540585, 2464936, 3081170, 4929872, 6162340, 9859744, 12324680, 12632797, 24649360, 25265594, 49298720, 50531188, 63163985, 101062376, 126327970, 202124752, 252655940, 404249504, 505311880, 1010623760, 2021247520]

約数ペア:

[(1, 2021247520), (2, 1010623760), (4, 505311880), (5, 404249504), (8, 252655940), (10, 202124752), (16, 126327970), (20, 101062376), (32, 63163985), (40, 50531188), (41, 49298720), (80, 25265594), (82, 24649360), (160, 12632797), (164, 12324680), (205, 9859744), (328, 6162340), (410, 4929872), (656, 3081170), (820, 2464936), (1312, 1540585), (1640, 1232468), (3280, 616234), (6560, 308117)]