25489880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{49019}}^1$

素因数の和:49043

約数の個数: 32

約数和(自身を含む): 61765200

約数和(自身を除く): 36275320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 49019, 98038, 196076, 245095, 392152, 490190, 637247, 980380, 1274494, 1960760, 2548988, 3186235, 5097976, 6372470, 12744940, 25489880]

約数ペア:

[(1, 25489880), (2, 12744940), (4, 6372470), (5, 5097976), (8, 3186235), (10, 2548988), (13, 1960760), (20, 1274494), (26, 980380), (40, 637247), (52, 490190), (65, 392152), (104, 245095), (130, 196076), (260, 98038), (520, 49019)]