25565072

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1381}}^1$

素因数の和:1491

約数の個数: 40

約数和(自身を含む): 53980920

約数和(自身を除く): 28415848

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 89, 104, 178, 208, 356, 712, 1157, 1381, 1424, 2314, 2762, 4628, 5524, 9256, 11048, 17953, 18512, 22096, 35906, 71812, 122909, 143624, 245818, 287248, 491636, 983272, 1597817, 1966544, 3195634, 6391268, 12782536, 25565072]

約数ペア:

[(1, 25565072), (2, 12782536), (4, 6391268), (8, 3195634), (13, 1966544), (16, 1597817), (26, 983272), (52, 491636), (89, 287248), (104, 245818), (178, 143624), (208, 122909), (356, 71812), (712, 35906), (1157, 22096), (1381, 18512), (1424, 17953), (2314, 11048), (2762, 9256), (4628, 5524)]