25220120

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{4813}}^1$

素因数の和:4955

約数の個数: 32

約数和(自身を含む): 57190320

約数和(自身を除く): 31970200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 4813, 5240, 9626, 19252, 24065, 38504, 48130, 96260, 192520, 630503, 1261006, 2522012, 3152515, 5044024, 6305030, 12610060, 25220120]

約数ペア:

[(1, 25220120), (2, 12610060), (4, 6305030), (5, 5044024), (8, 3152515), (10, 2522012), (20, 1261006), (40, 630503), (131, 192520), (262, 96260), (524, 48130), (655, 38504), (1048, 24065), (1310, 19252), (2620, 9626), (4813, 5240)]