2025156940

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{431}}^1\times {\mathrm{983}}^1$

素因数の和:1662

約数の個数: 48

約数和(自身を含む): 4284887040

約数和(自身を除く): 2259730100

約数列:

[1, 2, 4, 5, 10, 20, 239, 431, 478, 862, 956, 983, 1195, 1724, 1966, 2155, 2390, 3932, 4310, 4780, 4915, 8620, 9830, 19660, 103009, 206018, 234937, 412036, 423673, 469874, 515045, 847346, 939748, 1030090, 1174685, 1694692, 2060180, 2118365, 2349370, 4236730, 4698740, 8473460, 101257847, 202515694, 405031388, 506289235, 1012578470, 2025156940]

約数ペア:

[(1, 2025156940), (2, 1012578470), (4, 506289235), (5, 405031388), (10, 202515694), (20, 101257847), (239, 8473460), (431, 4698740), (478, 4236730), (862, 2349370), (956, 2118365), (983, 2060180), (1195, 1694692), (1724, 1174685), (1966, 1030090), (2155, 939748), (2390, 847346), (3932, 515045), (4310, 469874), (4780, 423673), (4915, 412036), (8620, 234937), (9830, 206018), (19660, 103009)]